updates

25 files changed, 271 insertions, 314 deletions

diff --git a/examples/AuroraDemo/Attractor.h b/examples/AuroraDemo/Attractor.h
index 668ba53..670a0f3 100644
--- a/examples/AuroraDemo/Attractor.h
+++ b/examples/AuroraDemo/Attractor.h
@@ -33,7 +33,7 @@ public:
     PVector location;   // Location
 
     Attractor() {
-        location = PVector(MATRIX_CENTRE_X, MATRIX_CENTRE_Y);
+        location = PVector(VPANEL_W/2, VPANEL_H/2);
         mass = 10;
         G = .5;
     }
diff --git a/examples/AuroraDemo/AuroraDemo.ino b/examples/AuroraDemo/AuroraDemo.ino
index 7cf1a93..808a740 100644
--- a/examples/AuroraDemo/AuroraDemo.ino
+++ b/examples/AuroraDemo/AuroraDemo.ino
@@ -61,7 +61,7 @@ VirtualMatrixPanel  *virtualDisp = nullptr;
 
 // Aurora related
 #include "Effects.h"
-Effects effects;
+Effects effects(VPANEL_W, VPANEL_H);
 
 #include "Drawable.h"
 #include "Playlist.h"
@@ -73,7 +73,7 @@ Patterns patterns;
 /* -------------------------- Some variables -------------------------- */
 unsigned long ms_current  = 0;
 unsigned long ms_previous = 0;
-unsigned long ms_animation_max_duration = 20000; // 10 seconds
+unsigned long ms_animation_max_duration = 10000; // 10 seconds
 unsigned long next_frame = 0;
 
 void listPatterns();
diff --git a/examples/AuroraDemo/Effects.h b/examples/AuroraDemo/Effects.h
index 3d4affb..54ae47d 100644
--- a/examples/AuroraDemo/Effects.h
+++ b/examples/AuroraDemo/Effects.h
@@ -7,6 +7,8 @@
  * Portions of this code are adapted from "NoiseSmearing" by Stefan Petrick: https://gist.github.com/StefanPetrick/9ee2f677dbff64e3ba7a
  * Copyright (c) 2014 Stefan Petrick
  * http://www.stefan-petrick.de/wordpress_beta
+ * 
+ * Modified by Codetastic 2024
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
  * this software and associated documentation files (the "Software"), to deal in
@@ -29,106 +31,74 @@
 #ifndef Effects_H
 #define Effects_H
 
-/* ---------------------------- GLOBAL CONSTANTS ----------------------------- */
 
-const int  MATRIX_CENTER_X = VPANEL_W / 2;
-const int  MATRIX_CENTER_Y = VPANEL_H / 2;
-// US vs GB, huh? :)
-//const byte MATRIX_CENTRE_X = MATRIX_CENTER_X - 1;
-//const byte MATRIX_CENTRE_Y = MATRIX_CENTER_Y - 1;
-#define MATRIX_CENTRE_X MATRIX_CENTER_X
-#define MATRIX_CENTRE_Y MATRIX_CENTER_Y
 
+  /**
+   *  The one for 256+ matrices
+   *  otherwise this:
+   *    for (uint8_t i = 0; i < VPANEL_W; i++) {}
+   *  turns into an infinite loop
+   */
+  uint16_t XY16( uint16_t x, uint16_t y) 
+  {
+      if( x >= VPANEL_W) return 0;
+      if( y >= VPANEL_H) return 0;
 
-const uint16_t NUM_LEDS = (VPANEL_W * VPANEL_H) + 1; // one led spare to capture out of bounds
-
-// forward declaration
-uint16_t XY16( uint16_t x, uint16_t y);
+      return (y * VPANEL_W) + x;
+  }
 
-/* Convert x,y co-ordinate to flat array index. 
- * x and y positions start from 0, so must not be >= 'real' panel width or height 
- * (i.e. 64 pixels or 32 pixels.).  Max value: VPANEL_W-1 etc.
- * Ugh... uint8_t - really??? this weak method can't cope with 256+ pixel matrices :(
- */
-uint16_t XY( uint8_t x, uint8_t y) 
-{
-  return XY16(x, y);
-}
 
-/**
- *  The one for 256+ matrices
- *  otherwise this:
- *    for (uint8_t i = 0; i < VPANEL_W; i++) {}
- *  turns into an infinite loop
- */
-uint16_t XY16( uint16_t x, uint16_t y) 
-{
-    if( x >= VPANEL_W) return 0;
-    if( y >= VPANEL_H) return 0;
+  /* Convert x,y co-ordinate to flat array index. 
+  * x and y positions start from 0, so must not be >= 'real' panel width or height 
+  * (i.e. 64 pixels or 32 pixels.).  Max value: VPANEL_W-1 etc.
+  * Ugh... uint8_t - really??? this weak method can't cope with 256+ pixel matrices :(
+  */
+  uint16_t XY( uint16_t x, uint16_t y) 
+  {
+    return XY16(x, y);
+  }
 
-    return (y * VPANEL_W) + x + 1; // everything offset by one to compute out of bounds stuff - never displayed by ShowFrame()
-}
 
 
-uint8_t beatcos8(accum88 beats_per_minute, uint8_t lowest = 0, uint8_t highest = 255, uint32_t timebase = 0, uint8_t phase_offset = 0)
-{
-  uint8_t beat = beat8(beats_per_minute, timebase);
-  uint8_t beatcos = cos8(beat + phase_offset);
-  uint8_t rangewidth = highest - lowest;
-  uint8_t scaledbeat = scale8(beatcos, rangewidth);
-  uint8_t result = lowest + scaledbeat;
-  return result;
-}
 
-uint8_t mapsin8(uint8_t theta, uint8_t lowest = 0, uint8_t highest = 255) {
-  uint8_t beatsin = sin8(theta);
-  uint8_t rangewidth = highest - lowest;
-  uint8_t scaledbeat = scale8(beatsin, rangewidth);
-  uint8_t result = lowest + scaledbeat;
-  return result;
-}
+class Effects {
 
-uint8_t mapcos8(uint8_t theta, uint8_t lowest = 0, uint8_t highest = 255) {
-  uint8_t beatcos = cos8(theta);
-  uint8_t rangewidth = highest - lowest;
-  uint8_t scaledbeat = scale8(beatcos, rangewidth);
-  uint8_t result = lowest + scaledbeat;
-  return result;
-}
+public:
 
-// Array of temperature readings at each simulation cell
-//byte heat[NUM_LEDS];    // none of the currently enabled effects uses this
+  uint32_t noise_x;
+  uint32_t noise_y;
+  uint32_t noise_z;
+  uint32_t noise_scale_x;
+  uint32_t noise_scale_y;
 
-uint32_t noise_x;
-uint32_t noise_y;
-uint32_t noise_z;
-uint32_t noise_scale_x;
-uint32_t noise_scale_y;
+  uint8_t **noise = nullptr;  // we will allocate mem later
+  uint8_t noisesmoothing;
 
-//uint8_t noise[VPANEL_W][VPANEL_H];
-uint8_t **noise = nullptr;  // we will allocate mem later
-uint8_t noisesmoothing;
 
-class Effects {
-public:
   CRGB *leds;
+  int width;
+  int height;
+  int num_leds = 0;
+
+  Effects(int w, int h) : width(w), height(h) {
 
-  Effects(){
     // we do dynamic allocation for leds buffer, otherwise esp32 toolchain can't link static arrays of such a big size for 256+ matrices
-    leds = (CRGB *)malloc(NUM_LEDS * sizeof(CRGB));
+    leds = (CRGB *)malloc((width * height + 1) * sizeof(CRGB));
+    num_leds = width * height;
 
     // allocate mem for noise effect
     // (there should be some guards for malloc errors eventually)
-    noise = (uint8_t **)malloc(VPANEL_W * sizeof(uint8_t *));
-    for (int i = 0; i < VPANEL_W; ++i) {
-      noise[i] = (uint8_t *)malloc(VPANEL_H * sizeof(uint8_t));
+    noise = (uint8_t **)malloc(width * sizeof(uint8_t *));
+    for (int i = 0; i < width; ++i) {
+      noise[i] = (uint8_t *)malloc(height * sizeof(uint8_t));
     }
 
     ClearFrame();
   }
+
   ~Effects(){
     free(leds);
-    for (int i = 0; i < VPANEL_W; ++i) {
+    for (int i = 0; i < width; ++i) {
       free(noise[i]);
     }
     free(noise);
@@ -141,91 +111,69 @@ public:
    * As such, any time these effects want to write a pixel color, we first have to update
    * the leds or leds2 array, and THEN write it to the RGB panel. This enables us to 'look up' the array to see what a pixel color was previously, each drawFrame().
    */
-  void drawBackgroundFastLEDPixelCRGB(int16_t x, int16_t y, CRGB color)
+  void setPixel(int16_t x, int16_t y, CRGB color)
   {
-	  leds[XY(x, y)] = color;
-	  //matrix.drawPixelRGB888(x, y, color.r, color.g, color.b); 
+	  leds[XY16(x, y)] = color;
   }
 
   // write one pixel with the specified color from the current palette to coordinates
-  void Pixel(int x, int y, uint8_t colorIndex) {
-    leds[XY(x, y)] = ColorFromCurrentPalette(colorIndex);
-    //matrix.drawPixelRGB888(x, y, temp.r, temp.g, temp.b); // now draw it?
+  void setPixelFromPaletteIndex(int x, int y, uint8_t colorIndex) {
+    leds[XY16(x, y)] = ColorFromCurrentPalette(colorIndex);
   }
   
- void PrepareFrame() {
-   // leds = (CRGB*) backgroundLayer.backBuffer();
-  }
+ void PrepareFrame() { }
 
-  void ShowFrame() {
-    //#if (FASTLED_VERSION >= 3001000)
-    //      nblendPaletteTowardPalette(currentPalette, targetPalette, 24);
-    //#else
+  void ShowFrame() { // send to display
     currentPalette = targetPalette;
-    //#endif
-
-  //  backgroundLayer.swapBuffers();
-   // leds = (CRGB*) backgroundLayer.backBuffer();
-   // LEDS.countFPS();
-
-	for (int y=0; y<VPANEL_H; ++y){
-  	    for (int x=0; x<VPANEL_W; ++x){
-		//Serial.printf("Flushing x, y coord %d, %d\n", x, y);
-    		uint16_t _pixel = XY16(x,y);
-    		virtualDisp->drawPixelRGB888( x, y, leds[_pixel].r, leds[_pixel].g, leds[_pixel].b);
-	    } // end loop to copy fast led to the dma matrix
-	}
+  
+    for (int y=0; y<height; ++y){
+          for (int x=0; x<width; ++x){
+          uint16_t _pixel = XY16(x,y);
+          virtualDisp->drawPixelRGB888( x, y, leds[_pixel].r, leds[_pixel].g, leds[_pixel].b);
+        } // end loop to copy fast led to the dma matrix
+    }
   }
 
   // scale the brightness of the screenbuffer down
-  void DimAll(byte value)
-  {
-    for (int i = 0; i < NUM_LEDS; i++)
-    {
-      leds[i].nscale8(value);
-    }
+  void DimAll(byte value)  {
+      for (int i = 0; i < num_leds; i++)
+        leds[i].nscale8(value);
   }  
 
-  void ClearFrame()
-  {
-      memset(leds, 0x00, NUM_LEDS * sizeof(CRGB)); // flush
+  void ClearFrame() {
+      for (int i = 0; i < num_leds; i++)
+        leds[i]= CRGB(0,0,0);
+
   }
   
-	 
-  
-/*
-  void CircleStream(uint8_t value) {
-    DimAll(value); ShowFrame();
-
-    for (uint8_t offset = 0; offset < MATRIX_CENTER_X; offset++) {
-      boolean hasprev = false;
-      uint16_t prevxy = 0;
-
-      for (uint8_t theta = 0; theta < 255; theta++) {
-        uint8_t x = mapcos8(theta, offset, (VPANEL_W - 1) - offset);
-        uint8_t y = mapsin8(theta, offset, (VPANEL_H - 1) - offset);
-
-        uint16_t xy = XY(x, y);
 
-        if (hasprev) {
-          leds[prevxy] += leds[xy];
-        }
+  uint8_t beatcos8(accum88 beats_per_minute, uint8_t lowest = 0, uint8_t highest = 255, uint32_t timebase = 0, uint8_t phase_offset = 0)
+  {
+    uint8_t beat = beat8(beats_per_minute, timebase);
+    uint8_t beatcos = cos8(beat + phase_offset);
+    uint8_t rangewidth = highest - lowest;
+    uint8_t scaledbeat = scale8(beatcos, rangewidth);
+    uint8_t result = lowest + scaledbeat;
+    return result;
+  }
 
-        prevxy = xy;
-        hasprev = true;
-      }
-    }
+  uint8_t mapsin8(uint8_t theta, uint8_t lowest = 0, uint8_t highest = 255) {
+    uint8_t beatsin = sin8(theta);
+    uint8_t rangewidth = highest - lowest;
+    uint8_t scaledbeat = scale8(beatsin, rangewidth);
+    uint8_t result = lowest + scaledbeat;
+    return result;
+  }
 
-    for (uint8_t x = 0; x < VPANEL_W; x++) {
-      for (uint8_t y = 0; y < VPANEL_H; y++) {
-        uint16_t xy = XY(x, y);
-        leds[xy] = leds2[xy];
-        leds[xy].nscale8(value);
-        leds2[xy].nscale8(value);
-      }
-    }
+  uint8_t mapcos8(uint8_t theta, uint8_t lowest = 0, uint8_t highest = 255) {
+    uint8_t beatcos = cos8(theta);
+    uint8_t rangewidth = highest - lowest;
+    uint8_t scaledbeat = scale8(beatcos, rangewidth);
+    uint8_t result = lowest + scaledbeat;
+    return result;
   }
-*/
+
+	 
 
   // palettes
   static const int paletteCount = 10;
@@ -394,7 +342,7 @@ public:
     if (osci[4] % 2 == 0)
       osci[5] = osci[5] + 1; // .5
     for (int i = 0; i < 4; i++) {
-      p[i] = map8(sin8(osci[i]), 0, VPANEL_W - 1); //why? to keep the result in the range of 0-VPANEL_W (matrix size)
+      p[i] = map8(sin8(osci[i]), 0, width - 1); //why? to keep the result in the range of 0-VPANEL_W (matrix size)
     }
   }
 
@@ -404,11 +352,11 @@ public:
 
   // rotates the first 16x16 quadrant 3 times onto a 32x32 (+90 degrees rotation for each one)
   void Caleidoscope1() {
-    for (int x = 0; x < MATRIX_CENTER_X; x++) {
-      for (int y = 0; y < MATRIX_CENTER_Y; y++) {
-        leds[XY16(VPANEL_W - 1 - x, y)] = leds[XY16(x, y)];
-        leds[XY16(VPANEL_W - 1 - x, VPANEL_H - 1 - y)] = leds[XY16(x, y)];
-        leds[XY16(x, VPANEL_H - 1 - y)] = leds[XY16(x, y)];
+    for (int x = 0; x < width / 2; x++) {
+      for (int y = 0; y < height / 2; y++) {
+        leds[XY16(width - 1 - x, y)] = leds[XY16(x, y)];
+        leds[XY16(width - 1 - x, height - 1 - y)] = leds[XY16(x, y)];
+        leds[XY16(x, height - 1 - y)] = leds[XY16(x, y)];
       }
     }
   }
@@ -416,19 +364,19 @@ public:
 
   // mirror the first 16x16 quadrant 3 times onto a 32x32
   void Caleidoscope2() {
-    for (int x = 0; x < MATRIX_CENTER_X; x++) {
-      for (int y = 0; y < MATRIX_CENTER_Y; y++) {
-        leds[XY16(VPANEL_W - 1 - x, y)] = leds[XY16(y, x)];
-        leds[XY16(x, VPANEL_H - 1 - y)] = leds[XY16(y, x)];
-        leds[XY16(VPANEL_W - 1 - x, VPANEL_H - 1 - y)] = leds[XY16(x, y)];
+    for (int x = 0; x < width / 2; x++) {
+      for (int y = 0; y < height / 2; y++) {
+        leds[XY16(width - 1 - x, y)] = leds[XY16(y, x)];
+        leds[XY16(x, height - 1 - y)] = leds[XY16(y, x)];
+        leds[XY16(width - 1 - x, height - 1 - y)] = leds[XY16(x, y)];
       }
     }
   }
 
   // copy one diagonal triangle into the other one within a 16x16
   void Caleidoscope3() {
-    for (int x = 0; x <= MATRIX_CENTRE_X && x < VPANEL_H; x++) {
-      for (int y = 0; y <= x && y<VPANEL_H; y++) {
+    for (int x = 0; x <= width / 2 - 1 && x < height; x++) {
+      for (int y = 0; y <= x && y<height; y++) {
         leds[XY16(x, y)] = leds[XY16(y, x)];
       }
     }
@@ -436,48 +384,48 @@ public:
 
   // copy one diagonal triangle into the other one within a 16x16 (90 degrees rotated compared to Caleidoscope3)
   void Caleidoscope4() {
-    for (int x = 0; x <= MATRIX_CENTRE_X; x++) {
-      for (int y = 0; y <= MATRIX_CENTRE_Y - x; y++) {
-        leds[XY16(MATRIX_CENTRE_Y - y, MATRIX_CENTRE_X - x)] = leds[XY16(x, y)];
+    for (int x = 0; x <= width / 2 - 1; x++) {
+      for (int y = 0; y <= height / 2 - 1 - x; y++) {
+        leds[XY16(height / 2 - 1 - y, width / 2 - 1 - x)] = leds[XY16(x, y)];
       }
     }
   }
 
   // copy one diagonal triangle into the other one within a 8x8
   void Caleidoscope5() {
-    for (int x = 0; x < VPANEL_W / 4; x++) {
-      for (int y = 0; y <= x && y<=VPANEL_H; y++) {
+    for (int x = 0; x < width / 4; x++) {
+      for (int y = 0; y <= x && y<=height; y++) {
         leds[XY16(x, y)] = leds[XY16(y, x)];
       }
     }
 
-    for (int x = VPANEL_W / 4; x < VPANEL_W / 2; x++) {
-      for (int y = VPANEL_H / 4; y >= 0; y--) {
+    for (int x = width / 4; x < width / 2; x++) {
+      for (int y = height / 4; y >= 0; y--) {
         leds[XY16(x, y)] = leds[XY16(y, x)];
       }
     }
   }
 
   void Caleidoscope6() {
-    for (int x = 1; x < MATRIX_CENTER_X; x++) {
+    for (int x = 1; x < width / 2; x++) {
       leds[XY16(7 - x, 7)] = leds[XY16(x, 0)];
     } //a
-    for (int x = 2; x < MATRIX_CENTER_X; x++) {
+    for (int x = 2; x < width / 2; x++) {
       leds[XY16(7 - x, 6)] = leds[XY16(x, 1)];
     } //b
-    for (int x = 3; x < MATRIX_CENTER_X; x++) {
+    for (int x = 3; x < width / 2; x++) {
       leds[XY16(7 - x, 5)] = leds[XY16(x, 2)];
     } //c
-    for (int x = 4; x < MATRIX_CENTER_X; x++) {
+    for (int x = 4; x < width / 2; x++) {
       leds[XY16(7 - x, 4)] = leds[XY16(x, 3)];
     } //d
-    for (int x = 5; x < MATRIX_CENTER_X; x++) {
+    for (int x = 5; x < width / 2; x++) {
       leds[XY16(7 - x, 3)] = leds[XY16(x, 4)];
     } //e
-    for (int x = 6; x < MATRIX_CENTER_X; x++) {
+    for (int x = 6; x < width / 2; x++) {
       leds[XY16(7 - x, 2)] = leds[XY16(x, 5)];
     } //f
-    for (int x = 7; x < MATRIX_CENTER_X; x++) {
+    for (int x = 7; x < width / 2; x++) {
       leds[XY16(7 - x, 1)] = leds[XY16(x, 6)];
     } //g
   }
@@ -566,7 +514,7 @@ public:
   }
 
   // give it a linear tail to the right
-  void StreamRight(byte scale, int fromX = 0, int toX = VPANEL_W, int fromY = 0, int toY = VPANEL_H)
+  void StreamRight(byte scale, int fromX = 0, int toX = 0, int fromY = 0, int toY = 0)
   {
     for (int x = fromX + 1; x < toX; x++) {
       for (int y = fromY; y < toY; y++) {
@@ -579,7 +527,7 @@ public:
   }
 
   // give it a linear tail to the left
-  void StreamLeft(byte scale, int fromX = VPANEL_W, int toX = 0, int fromY = 0, int toY = VPANEL_H)
+  void StreamLeft(byte scale, int fromX = 0, int toX = 0, int fromY = 0, int toY = 0)
   {
     for (int x = toX; x < fromX; x++) {
       for (int y = fromY; y < toY; y++) {
@@ -594,66 +542,66 @@ public:
   // give it a linear tail downwards
   void StreamDown(byte scale)
   {
-    for (int x = 0; x < VPANEL_W; x++) {
-      for (int y = 1; y < VPANEL_H; y++) {
+    for (int x = 0; x < width; x++) {
+      for (int y = 1; y < height; y++) {
         leds[XY16(x, y)] += leds[XY16(x, y - 1)];
         leds[XY16(x, y)].nscale8(scale);
       }
     }
-    for (int x = 0; x < VPANEL_W; x++)
+    for (int x = 0; x < width; x++)
       leds[XY16(x, 0)].nscale8(scale);
   }
 
   // give it a linear tail upwards
   void StreamUp(byte scale)
   {
-    for (int x = 0; x < VPANEL_W; x++) {
-      for (int y = VPANEL_H - 2; y >= 0; y--) {
+    for (int x = 0; x < width; x++) {
+      for (int y = height - 2; y >= 0; y--) {
         leds[XY16(x, y)] += leds[XY16(x, y + 1)];
         leds[XY16(x, y)].nscale8(scale);
       }
     }
-    for (int x = 0; x < VPANEL_W; x++)
-      leds[XY16(x, VPANEL_H - 1)].nscale8(scale);
+    for (int x = 0; x < width; x++)
+      leds[XY16(x, height - 1)].nscale8(scale);
   }
 
   // give it a linear tail up and to the left
   void StreamUpAndLeft(byte scale)
   {
-    for (int x = 0; x < VPANEL_W - 1; x++) {
-      for (int y = VPANEL_H - 2; y >= 0; y--) {
+    for (int x = 0; x < width - 1; x++) {
+      for (int y = height - 2; y >= 0; y--) {
         leds[XY16(x, y)] += leds[XY16(x + 1, y + 1)];
         leds[XY16(x, y)].nscale8(scale);
       }
     }
-    for (int x = 0; x < VPANEL_W; x++)
-      leds[XY16(x, VPANEL_H - 1)].nscale8(scale);
-    for (int y = 0; y < VPANEL_H; y++)
-      leds[XY16(VPANEL_W - 1, y)].nscale8(scale);
+    for (int x = 0; x < width; x++)
+      leds[XY16(x, height - 1)].nscale8(scale);
+    for (int y = 0; y < height; y++)
+      leds[XY16(width - 1, y)].nscale8(scale);
   }
 
   // give it a linear tail up and to the right
   void StreamUpAndRight(byte scale)
   {
-    for (int x = 0; x < VPANEL_W - 1; x++) {
-      for (int y = VPANEL_H - 2; y >= 0; y--) {
+    for (int x = 0; x < width - 1; x++) {
+      for (int y = height - 2; y >= 0; y--) {
         leds[XY16(x + 1, y)] += leds[XY16(x, y + 1)];
         leds[XY16(x, y)].nscale8(scale);
       }
     }
     // fade the bottom row
-    for (int x = 0; x < VPANEL_W; x++)
-      leds[XY16(x, VPANEL_H - 1)].nscale8(scale);
+    for (int x = 0; x < width; x++)
+      leds[XY16(x, height - 1)].nscale8(scale);
 
     // fade the right column
-    for (int y = 0; y < VPANEL_H; y++)
-      leds[XY16(VPANEL_W - 1, y)].nscale8(scale);
+    for (int y = 0; y < height; y++)
+      leds[XY16(width - 1, y)].nscale8(scale);
   }
 
   // just move everything one line down
   void MoveDown() {
-    for (int y = VPANEL_H - 1; y > 0; y--) {
-      for (int x = 0; x < VPANEL_W; x++) {
+    for (int y = height - 1; y > 0; y--) {
+      for (int x = 0; x < width; x++) {
         leds[XY16(x, y)] = leds[XY16(x, y - 1)];
       }
     }
@@ -662,7 +610,7 @@ public:
   // just move everything one line down
   void VerticalMoveFrom(int start, int end) {
     for (int y = end; y > start; y--) {
-      for (int x = 0; x < VPANEL_W; x++) {
+      for (int x = 0; x < width; x++) {
         leds[XY16(x, y)] = leds[XY16(x, y - 1)];
       }
     }
@@ -680,18 +628,18 @@ public:
 
   // rotate + copy triangle (MATRIX_CENTER_X*MATRIX_CENTER_X)
   void RotateTriangle() {
-    for (int x = 1; x < MATRIX_CENTER_X; x++) {
+    for (int x = 1; x < width / 2; x++) {
       for (int y = 0; y < x; y++) {
-        leds[XY16(x, 7 - y)] = leds[XY16(7 - x, y)];
+        leds[XY16(x, height / 2 - 1 - y)] = leds[XY16(width / 2 - 1 - x, y)];
       }
     }
   }
 
   // mirror + copy triangle (MATRIX_CENTER_X*MATRIX_CENTER_X)
   void MirrorTriangle() {
-    for (int x = 1; x < MATRIX_CENTER_X; x++) {
+    for (int x = 1; x < width / 2; x++) {
       for (int y = 0; y < x; y++) {
-        leds[XY16(7 - y, x)] = leds[XY16(7 - x, y)];
+        leds[XY16(height / 2 - 1 - y, x)] = leds[XY16(width / 2 - 1 - x, y)];
       }
     }
   }
@@ -699,9 +647,9 @@ public:
   // draw static rainbow triangle pattern (MATRIX_CENTER_XxWIDTH / 2)
   // (just for debugging)
   void RainbowTriangle() {
-    for (int i = 0; i < MATRIX_CENTER_X; i++) {
+    for (int i = 0; i < width / 2; i++) {
       for (int j = 0; j <= i; j++) {
-        Pixel(7 - i, j, i * j * 4);
+        setPixelFromPaletteIndex(height / 2 - 1 - i, j, i * j * 4);
       }
     }
   }
@@ -734,8 +682,8 @@ public:
   // write one pixel with the specified color from the current palette to coordinates
   /*
   void Pixel(int x, int y, uint8_t colorIndex) {
-    leds[XY(x, y)] = ColorFromCurrentPalette(colorIndex);
-    matrix.drawBackgroundPixelRGB888(x,y, leds[XY(x, y)]); // now draw it?
+    leds[XY16(x, y)] = ColorFromCurrentPalette(colorIndex);
+    matrix.drawBackgroundPixelRGB888(x,y, leds[XY16(x, y)]); // now draw it?
   }
   */
 
@@ -761,11 +709,11 @@ public:
   }
 
   void FillNoise() {
-    for (uint16_t i = 0; i < VPANEL_W; i++) {
-      uint32_t ioffset = noise_scale_x * (i - MATRIX_CENTRE_Y);
+    for (uint16_t i = 0; i < width; i++) {
+      uint32_t ioffset = noise_scale_x * (i - width / 2);
 
-      for (uint16_t j = 0; j < VPANEL_H; j++) {
-        uint32_t joffset = noise_scale_y * (j - MATRIX_CENTRE_Y);
+      for (uint16_t j = 0; j < height; j++) {
+        uint32_t joffset = noise_scale_y * (j - height / 2);
 
         byte data = inoise16(noise_x + ioffset, noise_y + joffset, noise_z) >> 8;
 
@@ -784,7 +732,7 @@ public:
 
     CRGB tmp = 0;
 
-    for (int y = 0; y < VPANEL_H; y++) 
+    for (int y = 0; y < height; y++) 
     {
  
       // Shift Left: https://codedost.com/c/arraypointers-in-c/c-program-shift-elements-array-left-direction/
@@ -794,24 +742,24 @@ public:
       for (int m = 0; m < delta; m++)
       {
         // Do this delta time for each row... computationally expensive potentially.
-        for(int x = 0; x < VPANEL_W; x++)
+        for(int x = 0; x < width; x++)
         {
             leds[XY16(x, y)] = leds [XY16(x+1, y)];
         }
 
-        leds[XY16(VPANEL_W-1, y)] = tmp;
+        leds[XY16(width-1, y)] = tmp;
       }
    
 
       /*
       // Shift
       for (int x = 0; x < VPANEL_W - delta; x++) {
-        leds2[XY(x, y)] = leds[XY(x + delta, y)];
+        leds2[XY16(x, y)] = leds[XY16(x + delta, y)];
       }
 
       // Wrap around
       for (int x = VPANEL_W - delta; x < VPANEL_W; x++) {
-        leds2[XY(x, y)] = leds[XY(x + delta - VPANEL_W, y)];
+        leds2[XY16(x, y)] = leds[XY16(x + delta - VPANEL_W, y)];
       }
       */
     } // end row loop
@@ -820,7 +768,7 @@ public:
     // write back to leds
     for (uint8_t y = 0; y < VPANEL_H; y++) {
       for (uint8_t x = 0; x < VPANEL_W; x++) {
-        leds[XY(x, y)] = leds2[XY(x, y)];
+        leds[XY16(x, y)] = leds2[XY16(x, y)];
       }
     }
     */
@@ -830,18 +778,18 @@ public:
   {
     
     CRGB tmp = 0; 
-    for (int x = 0; x < VPANEL_W; x++) 
+    for (int x = 0; x < width; x++) 
     {
       tmp = leds[XY16(x, 0)];      
       for (int m = 0; m < delta; m++) // moves
       {
         // Do this delta time for each row... computationally expensive potentially.
-        for(int y = 0; y < VPANEL_H; y++)
+        for(int y = 0; y < height; y++)
         {
             leds[XY16(x, y)] = leds [XY16(x, y+1)];
         }
 
-        leds[XY16(x, VPANEL_H-1)] = tmp;
+        leds[XY16(x, height-1)] = tmp;
       }
     } // end column loop
   } /// MoveY
diff --git a/examples/AuroraDemo/PatternAttract.h b/examples/AuroraDemo/PatternAttract.h
index dcb6491..b448563 100644
--- a/examples/AuroraDemo/PatternAttract.h
+++ b/examples/AuroraDemo/PatternAttract.h
@@ -61,7 +61,7 @@ public:
             boid.applyForce(force);
 
             boid.update();
-            effects.drawBackgroundFastLEDPixelCRGB(boid.location.x, boid.location.y, effects.ColorFromCurrentPalette(boid.colorIndex));
+            effects.setPixel(boid.location.x, boid.location.y, effects.ColorFromCurrentPalette(boid.colorIndex));
 
             boids[i] = boid;
         }
diff --git a/examples/AuroraDemo/PatternElectricMandala.h b/examples/AuroraDemo/PatternElectricMandala.h
index 1977a83..9ae9ace 100644
--- a/examples/AuroraDemo/PatternElectricMandala.h
+++ b/examples/AuroraDemo/PatternElectricMandala.h
@@ -39,6 +39,9 @@ class PatternElectricMandala : public Drawable {
     int16_t dsx;
     int16_t dsy;
 
+
+    unsigned int last_parameter_change_ms = 0;
+
   public:
     PatternElectricMandala() {
       name = (char *)"ElectricMandala";
@@ -46,18 +49,18 @@ class PatternElectricMandala : public Drawable {
 
     void start() {
       // set to reasonable values to avoid a black out
-      noisesmoothing = 200;
+      effects.noisesmoothing = 200;
 
       // just any free input pin
       //random16_add_entropy(analogRead(18));
 
       // fill coordinates with random values
       // set zoom levels
-      noise_x = random16();
-      noise_y = random16();
-      noise_z = random16();
-      noise_scale_x = 6000;
-      noise_scale_y = 6000;
+      effects.noise_x = random16();
+      effects.noise_y = random16();
+      effects.noise_z = random16();
+      effects.noise_scale_x = 6000;
+      effects.noise_scale_y = 6000;
 
       // for the random movement
       dx = random8();
@@ -70,19 +73,20 @@ class PatternElectricMandala : public Drawable {
     unsigned int drawFrame() {
 #if FASTLED_VERSION >= 3001000
       // a new parameter set every 15 seconds
-      EVERY_N_SECONDS(15) {
+      if(millis() - last_parameter_change_ms > 15000) {
+        last_parameter_change_ms = millis();
         //SetupRandomPalette3();
         dy = random16(500) - 250; // random16(2000) - 1000 is pretty fast but works fine, too
         dx = random16(500) - 250;
         dz = random16(500) - 250;
-        noise_scale_x = random16(10000) + 2000;
-        noise_scale_y = random16(10000) + 2000;
+        effects.noise_scale_x = random16(10000) + 2000;
+        effects.noise_scale_y = random16(10000) + 2000;
       }
 #endif
 
-      noise_y += dy;
-      noise_x += dx;
-      noise_z += dz;
+      effects.noise_y += dy;
+      effects.noise_x += dx;
+      effects.noise_z += dz;
 
       effects.FillNoise();
       ShowNoiseLayer(0, 1, 0);
@@ -100,7 +104,7 @@ class PatternElectricMandala : public Drawable {
       for (uint16_t i = 0; i < VPANEL_W; i++) {
         for (uint16_t j = 0; j < VPANEL_H; j++) {
 
-          uint8_t color = noise[i][j];
+          uint8_t color = effects.noise[i][j];
 
           uint8_t bri = color;
 
diff --git a/examples/AuroraDemo/PatternFire.h b/examples/AuroraDemo/PatternFire.h
index 731aff9..0f46e2a 100644
--- a/examples/AuroraDemo/PatternFire.h
+++ b/examples/AuroraDemo/PatternFire.h
@@ -61,26 +61,26 @@ class PatternFire : public Drawable {
       for (int x = 0; x < VPANEL_W; x++) {
         // Step 1.  Cool down every cell a little
         for (int y = 0; y < VPANEL_H; y++) {
-          int xy = XY(x, y);
+          int xy = XY16(x, y);
           heat[xy] = qsub8(heat[xy], random8(0, ((cooling * 10) / VPANEL_H) + 2));
         }
 
         // Step 2.  Heat from each cell drifts 'up' and diffuses a little
         for (int y = 0; y < VPANEL_H; y++) {
-          heat[XY(x, y)] = (heat[XY(x, y + 1)] + heat[XY(x, y + 2)] + heat[XY(x, y + 2)]) / 3;
+          heat[XY16(x, y)] = (heat[XY16(x, y + 1)] + heat[XY16(x, y + 2)] + heat[XY16(x, y + 2)]) / 3;
         }
 
         // Step 2.  Randomly ignite new 'sparks' of heat
         if (random8() < sparking) {
           // int x = (p[0] + p[1] + p[2]) / 3;
 
-          int xy = XY(x, VPANEL_H - 1);
+          int xy = XY16(x, VPANEL_H - 1);
           heat[xy] = qadd8(heat[xy], random8(160, 255));
         }
 
         // Step 4.  Map from heat cells to LED colors
         for (int y = 0; y < VPANEL_H; y++) {
-          int xy = XY(x, y);
+          int xy = XY16(x, y);
           byte colorIndex = heat[xy];
 
           // Recommend that you use values 0-240 rather than
diff --git a/examples/AuroraDemo/PatternFlock.h b/examples/AuroraDemo/PatternFlock.h
index 03c3fd7..8d3adc8 100644
--- a/examples/AuroraDemo/PatternFlock.h
+++ b/examples/AuroraDemo/PatternFlock.h
@@ -95,8 +95,8 @@ class PatternFlock : public Drawable {
         PVector location = boid->location;
         // PVector velocity = boid->velocity;
         // backgroundLayer.drawLine(location.x, location.y, location.x - velocity.x, location.y - velocity.y, color);
-        // effects.leds[XY(location.x, location.y)] += color;
-        effects.drawBackgroundFastLEDPixelCRGB(location.x, location.y, color);
+        // effects.leds[XY16(location.x, location.y)] += color;
+        effects.setPixel(location.x, location.y, color);
 
         if (applyWind) {
           boid->applyForce(wind);
@@ -111,8 +111,8 @@ class PatternFlock : public Drawable {
         PVector location = predator.location;
         // PVector velocity = predator.velocity;
         // backgroundLayer.drawLine(location.x, location.y, location.x - velocity.x, location.y - velocity.y, color);
-        // effects.leds[XY(location.x, location.y)] += color;        
-        effects.drawBackgroundFastLEDPixelCRGB(location.x, location.y, color);
+        // effects.leds[XY16(location.x, location.y)] += color;        
+        effects.setPixel(location.x, location.y, color);
       }
 
       if (millis() - last_update_hue_ms > 200) {
diff --git a/examples/AuroraDemo/PatternFlowField.h b/examples/AuroraDemo/PatternFlowField.h
index 8e41c3d..d0cb7a1 100644
--- a/examples/AuroraDemo/PatternFlowField.h
+++ b/examples/AuroraDemo/PatternFlowField.h
@@ -67,7 +67,7 @@ class PatternFlowField : public Drawable {
         boid->velocity.y = -((float)cos8(angle) * 0.0078125 - 1.0);
         boid->update();
 
-        effects.drawBackgroundFastLEDPixelCRGB(boid->location.x, boid->location.y, effects.ColorFromCurrentPalette(angle + hue)); // color
+        effects.setPixel(boid->location.x, boid->location.y, effects.ColorFromCurrentPalette(angle + hue)); // color
 
         if (boid->location.x < 0 || boid->location.x >= VPANEL_W ||
             boid->location.y < 0 || boid->location.y >= VPANEL_H) {
diff --git a/examples/AuroraDemo/PatternIncrementalDrift.h b/examples/AuroraDemo/PatternIncrementalDrift.h
index 573c765..d2bb2ba 100644
--- a/examples/AuroraDemo/PatternIncrementalDrift.h
+++ b/examples/AuroraDemo/PatternIncrementalDrift.h
@@ -38,10 +38,10 @@ class PatternIncrementalDrift : public Drawable {
       {
         CRGB color = effects.ColorFromCurrentPalette((i - 2) * (240 / (VPANEL_W / 2)));
 
-        uint8_t x = beatcos8((17 - i) * 2, MATRIX_CENTER_X - i, MATRIX_CENTER_X + i);
-        uint8_t y = beatsin8((17 - i) * 2, MATRIX_CENTER_Y - i, MATRIX_CENTER_Y + i);
+        uint8_t x = effects.beatcos8((17 - i) * 2, VPANEL_W/2 - i, VPANEL_W/2 + i);
+        uint8_t y = beatsin8((17 - i) * 2, VPANEL_H/2 - i, VPANEL_H/2 + i);
 
-        effects.drawBackgroundFastLEDPixelCRGB(x, y, color);
+        effects.setPixel(x, y, color);
       }
 
       return 0;
diff --git a/examples/AuroraDemo/PatternIncrementalDrift2.h b/examples/AuroraDemo/PatternIncrementalDrift2.h
index 03312f6..e30ac39 100644
--- a/examples/AuroraDemo/PatternIncrementalDrift2.h
+++ b/examples/AuroraDemo/PatternIncrementalDrift2.h
@@ -43,18 +43,18 @@ class PatternIncrementalDrift2 : public Drawable {
         uint8_t y = 0;
 
         if (i < 16) {
-          x = beatcos8((i + 1) * 2, i, VPANEL_W - i);
+          x = effects.beatcos8((i + 1) * 2, i, VPANEL_W - i);
           y = beatsin8((i + 1) * 2, i, VPANEL_H - i);
           color = effects.ColorFromCurrentPalette(i * 14);
         }
         else
         {
           x = beatsin8((32 - i) * 2, VPANEL_W - i, i + 1);
-          y = beatcos8((32 - i) * 2, VPANEL_H - i, i + 1);
+          y = effects.beatcos8((32 - i) * 2, VPANEL_H - i, i + 1);
           color = effects.ColorFromCurrentPalette((31 - i) * 14);
         }
 
-        effects.drawBackgroundFastLEDPixelCRGB(x, y, color);
+        effects.setPixel(x, y, color);
       }
 
       return 0;
diff --git a/examples/AuroraDemo/PatternInfinity.h b/examples/AuroraDemo/PatternInfinity.h
index c99f329..e8f4091 100644
--- a/examples/AuroraDemo/PatternInfinity.h
+++ b/examples/AuroraDemo/PatternInfinity.h
@@ -51,7 +51,7 @@ public:
         byte hue = sin8(effects.osci[5]);
 
         // draw a pixel at x,y using a color from the current palette
-        effects.Pixel(x, y, hue);
+        effects.setPixelFromPaletteIndex(x, y, hue);
 
         effects.ShowFrame();
         return 30;
diff --git a/examples/AuroraDemo/PatternInvaders.h b/examples/AuroraDemo/PatternInvaders.h
index cb76c34..5dea111 100644
--- a/examples/AuroraDemo/PatternInvaders.h
+++ b/examples/AuroraDemo/PatternInvaders.h
@@ -48,10 +48,10 @@ class PatternInvadersSmall : public Drawable {
 
           if (random(0, 2) == 1) color = color1;
 
-          effects.drawBackgroundFastLEDPixelCRGB(x + i, y + j, color);
+          effects.setPixel(x + i, y + j, color);
 
           if (i < 2)
-            effects.drawBackgroundFastLEDPixelCRGB(x + (4 - i), y + j, color);
+            effects.setPixel(x + (4 - i), y + j, color);
         }
       }
 
@@ -92,10 +92,10 @@ class PatternInvadersMedium : public Drawable {
 
           if (random(0, 2) == 1) color = color1;
 
-          effects.drawBackgroundFastLEDPixelCRGB(x + (i * 2), y + (j * 2), color);
+          effects.setPixel(x + (i * 2), y + (j * 2), color);
 
           if (i < 2)
-            effects.drawBackgroundFastLEDPixelCRGB(x + (8 - i * 2), y + (j * 2), color);
+            effects.setPixel(x + (8 - i * 2), y + (j * 2), color);
         }
       }
 
@@ -138,10 +138,10 @@ class PatternInvadersLarge : public Drawable {
             color = color1;
           }
 
-          effects.drawBackgroundFastLEDPixelCRGB(1 + x * 6, 1 + y * 6, color);
+          effects.setPixel(1 + x * 6, 1 + y * 6, color);
 
           if (x < 2)
-            effects.drawBackgroundFastLEDPixelCRGB(1 + (4 - x) * 6, 1 + y * 6, color);
+            effects.setPixel(1 + (4 - x) * 6, 1 + y * 6, color);
         }
       }
 
diff --git a/examples/AuroraDemo/PatternLife.h b/examples/AuroraDemo/PatternLife.h
index 8074e40..fa33524 100644
--- a/examples/AuroraDemo/PatternLife.h
+++ b/examples/AuroraDemo/PatternLife.h
@@ -85,7 +85,7 @@ public:
         // Display current generation
         for (int i = 0; i < VPANEL_W; i++) {
             for (int j = 0; j < VPANEL_H; j++) {
-                effects.leds[XY(i, j)] = effects.ColorFromCurrentPalette(world[i][j].hue * 4, world[i][j].brightness);
+                effects.leds[XY16(i, j)] = effects.ColorFromCurrentPalette(world[i][j].hue * 4, world[i][j].brightness);
             }
         }
 
diff --git a/examples/AuroraDemo/PatternMaze.h b/examples/AuroraDemo/PatternMaze.h
index b4e26a9..b709db2 100644
--- a/examples/AuroraDemo/PatternMaze.h
+++ b/examples/AuroraDemo/PatternMaze.h
@@ -175,7 +175,7 @@ private:
 
         Point imagePoint = createPoint(point.x * 2, point.y * 2);
 
-        //effects.drawBackgroundFastLEDPixelCRGB(imagePoint.x, imagePoint.y, CRGB(CRGB::Gray));
+        //effects.setPixel(imagePoint.x, imagePoint.y, CRGB(CRGB::Gray));
 
         shuffleDirections();
 
@@ -191,7 +191,7 @@ private:
 
                 Point newImagePoint = imagePoint.Move(direction);
 
-                effects.drawBackgroundFastLEDPixelCRGB(newImagePoint.x, newImagePoint.y, color);
+                effects.setPixel(newImagePoint.x, newImagePoint.y, color);
 
                 cellCount++;
                 cells[cellCount - 1] = newPoint;
@@ -204,7 +204,7 @@ private:
         if (index > -1) {
             Point finishedPoint = cells[index];
             imagePoint = createPoint(finishedPoint.x * 2, finishedPoint.y * 2);
-            effects.drawBackgroundFastLEDPixelCRGB(imagePoint.x, imagePoint.y, color);
+            effects.setPixel(imagePoint.x, imagePoint.y, color);
 
             removeCell(index);
         }
diff --git a/examples/AuroraDemo/PatternMunch.h b/examples/AuroraDemo/PatternMunch.h
index 092dca1..370f690 100644
--- a/examples/AuroraDemo/PatternMunch.h
+++ b/examples/AuroraDemo/PatternMunch.h
@@ -45,7 +45,7 @@ public:
                 effects.leds[XY16(x, y)] = (x ^ y ^ flip) < count ? effects.ColorFromCurrentPalette(((x ^ y) << 2) + generation) : CRGB::Black;
 
                 // The below is more pleasant
-               // effects.leds[XY(x, y)] = effects.ColorFromCurrentPalette(((x ^ y) << 2) + generation) ;
+               // effects.leds[XY16(x, y)] = effects.ColorFromCurrentPalette(((x ^ y) << 2) + generation) ;
             }
         }
         
diff --git a/examples/AuroraDemo/PatternNoiseSmearing.h b/examples/AuroraDemo/PatternNoiseSmearing.h
index 2d6723a..2555361 100644
--- a/examples/AuroraDemo/PatternNoiseSmearing.h
+++ b/examples/AuroraDemo/PatternNoiseSmearing.h
@@ -54,8 +54,8 @@ public:
     byte x2 = 8 + sin8(counter * 2) / 16;
     byte y2 = 8 + cos8((counter * 2) / 3) / 16;
 
-    effects.leds[XY(x1, x2)] = effects.ColorFromCurrentPalette(patternNoiseSmearingHue);
-    effects.leds[XY(x2, y2)] = effects.ColorFromCurrentPalette(patternNoiseSmearingHue + 128);
+    effects.leds[XY16(x1, x2)] = effects.ColorFromCurrentPalette(patternNoiseSmearingHue);
+    effects.leds[XY16(x2, y2)] = effects.ColorFromCurrentPalette(patternNoiseSmearingHue + 128);
 
     // Noise
     noise_x += 1000;
@@ -87,13 +87,13 @@ public:
 
     byte xx = 4 + sin8(millis() / 9) / 10;
     byte yy = 4 + cos8(millis() / 10) / 10;
-    effects.leds[XY(xx, yy)] += effects.ColorFromCurrentPalette(patternNoiseSmearingHue);
+    effects.leds[XY16(xx, yy)] += effects.ColorFromCurrentPalette(patternNoiseSmearingHue);
 
     xx = 8 + sin8(millis() / 10) / 16;
     yy = 8 + cos8(millis() / 7) / 16;
-    effects.leds[XY(xx, yy)] += effects.ColorFromCurrentPalette(patternNoiseSmearingHue + 80);
+    effects.leds[XY16(xx, yy)] += effects.ColorFromCurrentPalette(patternNoiseSmearingHue + 80);
 
-    effects.leds[XY(15, 15)] += effects.ColorFromCurrentPalette(patternNoiseSmearingHue + 160);
+    effects.leds[XY16(15, 15)] += effects.ColorFromCurrentPalette(patternNoiseSmearingHue + 160);
 
     noise_x += 1000;
     noise_y += 1000;
@@ -125,7 +125,7 @@ public:
     effects.DimAll(235); effects.ShowFrame();
 
     for (uint8_t i = 3; i < 32; i = i + 4) {
-      effects.leds[XY(i, 15)] += effects.ColorFromCurrentPalette(i * 8);
+      effects.leds[XY16(i, 15)] += effects.ColorFromCurrentPalette(i * 8);
     }
 
     // Noise
@@ -159,7 +159,7 @@ public:
     //CLS();
     effects.DimAll(235); effects.ShowFrame();
 
-    effects.leds[XY(15, 15)] += effects.ColorFromCurrentPalette(patternNoiseSmearingHue);
+    effects.leds[XY16(15, 15)] += effects.ColorFromCurrentPalette(patternNoiseSmearingHue);
 
 
     // Noise
@@ -194,7 +194,7 @@ public:
 
 
     for (uint8_t i = 3; i < 32; i = i + 4) {
-      effects.leds[XY(i, 31)] += effects.ColorFromCurrentPalette(i * 8);
+      effects.leds[XY16(i, 31)] += effects.ColorFromCurrentPalette(i * 8);
     }
 
     // Noise
@@ -228,7 +228,7 @@ public:
     for (uint8_t y = 1; y < 32; y = y + 6) {
       for (uint8_t x = 1; x < 32; x = x + 6) {
 
-        effects.leds[XY(x, y)] += effects.ColorFromCurrentPalette((x * y) / 4);
+        effects.leds[XY16(x, y)] += effects.ColorFromCurrentPalette((x * y) / 4);
       }
     }
 
@@ -263,7 +263,7 @@ public:
     // draw a rainbow color palette
     for (uint8_t y = 0; y < VPANEL_H; y++) {
       for (uint8_t x = 0; x < VPANEL_W; x++) {
-        effects.leds[XY(x, y)] += effects.ColorFromCurrentPalette(x * 8, y * 8 + 7);
+        effects.leds[XY16(x, y)] += effects.ColorFromCurrentPalette(x * 8, y * 8 + 7);
       }
     }
  
@@ -310,7 +310,7 @@ public:
     for (uint8_t c = 0; c < 6; c++) {
       for (uint8_t j = 0; j < 5; j++) {
         for (uint8_t x = 0; x < VPANEL_W; x++) {
-          effects.leds[XY(x, y)] += rainbow[c];
+          effects.leds[XY16(x, y)] += rainbow[c];
         }
 
         y++;
diff --git a/examples/AuroraDemo/PatternPendulumWave.h b/examples/AuroraDemo/PatternPendulumWave.h
index 985e15a..01327cd 100644
--- a/examples/AuroraDemo/PatternPendulumWave.h
+++ b/examples/AuroraDemo/PatternPendulumWave.h
@@ -56,7 +56,7 @@ class PatternPendulumWave : public Drawable {
 
         uint8_t y = beatsin16(WAVE_BPM, 0, amp, x*beatsin16(SKEW_BPM, WAVE_TIMEMINSKEW, WAVE_TIMEMAXSKEW)) + offset;
 
-        effects.drawBackgroundFastLEDPixelCRGB(x, y, effects.ColorFromCurrentPalette(x * 7));
+        effects.setPixel(x, y, effects.ColorFromCurrentPalette(x * 7));
       }
       effects.ShowFrame();
       return 20;
diff --git a/examples/AuroraDemo/PatternPlasma.h b/examples/AuroraDemo/PatternPlasma.h
index dcecc97..6c8bc4d 100644
--- a/examples/AuroraDemo/PatternPlasma.h
+++ b/examples/AuroraDemo/PatternPlasma.h
@@ -45,7 +45,7 @@ public:
                 v += cos16(y * (128 - wibble) * 6 + time);
                 v += sin16(y * x * cos8(-time) / 8);
 
-                effects.Pixel(x, y, (v >> 8) + 127);
+                effects.setPixelFromPaletteIndex(x, y, (v >> 8) + 127);
             }
         }
 
diff --git a/examples/AuroraDemo/PatternRadar.h b/examples/AuroraDemo/PatternRadar.h
index fca1579..b0433b7 100644
--- a/examples/AuroraDemo/PatternRadar.h
+++ b/examples/AuroraDemo/PatternRadar.h
@@ -36,12 +36,12 @@ class PatternRadar : public Drawable {
     unsigned int drawFrame() {
       effects.DimAll(254); effects.ShowFrame();
 
-      for (int offset = 0; offset < MATRIX_CENTER_X; offset++) {
+      for (int offset = 0; offset < VPANEL_W/2; offset++) {
         byte hue = 255 - (offset * 16 + hueoffset);
         CRGB color = effects.ColorFromCurrentPalette(hue);
-        uint8_t x = mapcos8(theta, offset, (VPANEL_W - 1) - offset);
-        uint8_t y = mapsin8(theta, offset, (VPANEL_H - 1) - offset);
-        uint16_t xy = XY(x, y);
+        uint8_t x = effects.mapcos8(theta, offset, (VPANEL_W - 1) - offset);
+        uint8_t y = effects.mapsin8(theta, offset, (VPANEL_H - 1) - offset);
+        uint16_t xy = XY16(x, y);
         effects.leds[xy] = color;
 
         if (millis() - last_update_hue_ms > 25) {
diff --git a/examples/AuroraDemo/PatternSimplexNoise.h b/examples/AuroraDemo/PatternSimplexNoise.h
index 3810ec0..4a031e7 100644
--- a/examples/AuroraDemo/PatternSimplexNoise.h
+++ b/examples/AuroraDemo/PatternSimplexNoise.h
@@ -27,6 +27,10 @@
 #define PatternSimplexNoise_H
 
 class PatternSimplexNoise : public Drawable {
+
+  private:
+
+  unsigned int last_update_ms = 0;
   public:
     PatternSimplexNoise() {
       name = (char *)"Noise";
@@ -34,18 +38,19 @@ class PatternSimplexNoise : public Drawable {
 
     void start() {
       // Initialize our coordinates to some random values
-      noise_x = random16();
-      noise_y = random16();
-      noise_z = random16();
+      effects.noise_x = random16();
+      effects.noise_y = random16();
+      effects.noise_z = random16();
     }
 
     unsigned int drawFrame() {
 #if FASTLED_VERSION >= 3001000
       // a new parameter set every 15 seconds
-      EVERY_N_SECONDS(15) {
-        noise_x = random16();
-        noise_y = random16();
-        noise_z = random16();
+      if(millis() - last_update_ms > 15000) {
+        last_update_ms = millis();
+        effects.noise_x = random16();
+        effects.noise_y = random16();
+        effects.noise_z = random16();
       }
 #endif
 
@@ -55,8 +60,8 @@ class PatternSimplexNoise : public Drawable {
       ShowNoiseLayer(0, 1, 0);
 
       // noise_x += speed;
-      noise_y += speed;
-      noise_z += speed;
+      effects.noise_y += speed;
+      effects.noise_z += speed;
 
       effects.ShowFrame();
 
@@ -67,7 +72,7 @@ class PatternSimplexNoise : public Drawable {
     void ShowNoiseLayer(byte layer, byte colorrepeat, byte colorshift) {
       for (uint16_t i = 0; i < VPANEL_W; i++) {
         for (uint16_t j = 0; j < VPANEL_H; j++) {
-          uint8_t pixel = noise[i][j];
+          uint8_t pixel = effects.noise[i][j];
 
           // assign a color depending on the actual palette
           effects.leds[XY16(i, j)] = effects.ColorFromCurrentPalette(colorrepeat * (pixel + colorshift), pixel);
diff --git a/examples/AuroraDemo/PatternSnake.h b/examples/AuroraDemo/PatternSnake.h
index 00895ab..ae151ec 100644
--- a/examples/AuroraDemo/PatternSnake.h
+++ b/examples/AuroraDemo/PatternSnake.h
@@ -96,7 +96,7 @@ private:
 
         void draw(CRGB colors[SNAKE_LENGTH]) {
             for (byte i = 0; i < SNAKE_LENGTH; i++) {
-                effects.leds[XY(pixels[i].x, pixels[i].y)] = colors[i] %= (255 - i * (255 / SNAKE_LENGTH));
+                effects.leds[XY16(pixels[i].x, pixels[i].y)] = colors[i] %= (255 - i * (255 / SNAKE_LENGTH));
             }
         }
     };
diff --git a/examples/AuroraDemo/PatternSpark.h b/examples/AuroraDemo/PatternSpark.h
index 059d97c..3517365 100644
--- a/examples/AuroraDemo/PatternSpark.h
+++ b/examples/AuroraDemo/PatternSpark.h
@@ -57,26 +57,26 @@ class PatternSpark : public Drawable {
       for (uint8_t x = 0; x < VPANEL_W; x++) {
         // Step 1.  Cool down every cell a little
         for (int y = 0; y < VPANEL_H; y++) {
-          int xy = XY(x, y);
+          int xy = XY16(x, y);
           heat[xy] = qsub8(heat[xy], random8(0, ((cooling * 10) / VPANEL_H) + 2));
         }
 
         // Step 2.  Heat from each cell drifts 'up' and diffuses a little
         for (int y = 0; y < VPANEL_H; y++) {
-          heat[XY(x, y)] = (heat[XY(x, y + 1)] + heat[XY(x, y + 2)] + heat[XY(x, y + 2)]) / 3;
+          heat[XY16(x, y)] = (heat[XY16(x, y + 1)] + heat[XY16(x, y + 2)] + heat[XY16(x, y + 2)]) / 3;
         }
 
         // Step 2.  Randomly ignite new 'sparks' of heat
         if (random8() < sparking) {
           uint8_t xt = random8(MATRIX_CENTRE_X - 2, MATRIX_CENTER_X + 3);
 
-          int xy = XY(xt, VPANEL_H - 1);
+          int xy = XY16(xt, VPANEL_H - 1);
           heat[xy] = qadd8(heat[xy], random8(160, 255));
         }
 
         // Step 4.  Map from heat cells to LED colors
         for (int y = 0; y < VPANEL_H; y++) {
-          int xy = XY(x, y);
+          int xy = XY16(x, y);
           byte colorIndex = heat[xy];
 
           // Recommend that you use values 0-240 rather than
diff --git a/examples/AuroraDemo/PatternSpiro.h b/examples/AuroraDemo/PatternSpiro.h
index 8e4f750..8a544f7 100644
--- a/examples/AuroraDemo/PatternSpiro.h
+++ b/examples/AuroraDemo/PatternSpiro.h
@@ -30,12 +30,12 @@ class PatternSpiro : public Drawable {
 
     uint8_t radiusx = VPANEL_W / 4;
     uint8_t radiusy = VPANEL_H / 4;
-    uint8_t minx = MATRIX_CENTER_X - radiusx;
-    uint8_t maxx = MATRIX_CENTER_X + radiusx + 1;
-    uint8_t miny = MATRIX_CENTER_Y - radiusy;
-    uint8_t maxy = MATRIX_CENTER_Y + radiusy + 1;
+    uint8_t minx = VPANEL_W/2 - radiusx;
+    uint8_t maxx = VPANEL_W/2 + radiusx + 1;
+    uint8_t miny = VPANEL_H/2 - radiusy;
+    uint8_t maxy = VPANEL_H/2 + radiusy + 1;
 
-    uint8_t spirocount = 1;
+    uint8_t spirocount = 16;
     uint8_t spirooffset = 256 / spirocount;
     boolean spiroincrement = true;
 
@@ -60,17 +60,17 @@ class PatternSpiro : public Drawable {
       boolean change = false;
       
       for (int i = 0; i < spirocount; i++) {
-        uint8_t x = mapsin8(theta1 + i * spirooffset, minx, maxx);
-        uint8_t y = mapcos8(theta1 + i * spirooffset, miny, maxy);
+        uint8_t x = effects.mapsin8(theta1 + i * spirooffset, minx, maxx);
+        uint8_t y = effects.mapcos8(theta1 + i * spirooffset, miny, maxy);
 
-        uint8_t x2 = mapsin8(theta2 + i * spirooffset, x - radiusx, x + radiusx);
-        uint8_t y2 = mapcos8(theta2 + i * spirooffset, y - radiusy, y + radiusy);
+        uint8_t x2 = effects.mapsin8(theta2 + i * spirooffset, x - radiusx, x + radiusx);
+        uint8_t y2 = effects.mapcos8(theta2 + i * spirooffset, y - radiusy, y + radiusy);
 
         CRGB color = effects.ColorFromCurrentPalette(hueoffset + i * spirooffset, 128);
-        effects.leds[XY(x2, y2)] += color;
+        effects.leds[XY16(x2, y2)] += color;
         
-        if((x2 == MATRIX_CENTER_X && y2 == MATRIX_CENTER_Y) ||
-           (x2 == MATRIX_CENTRE_X && y2 == MATRIX_CENTRE_Y)) change = true;
+        if((x2 == VPANEL_W/2 && y2 == VPANEL_H/2) ||
+           (x2 == VPANEL_W/2 && y2 == VPANEL_H/2)) change = true;
       }
 
       theta2 += 1;
diff --git a/examples/AuroraDemo/PatternSwirl.h b/examples/AuroraDemo/PatternSwirl.h
index 49f3273..807408a 100644
--- a/examples/AuroraDemo/PatternSwirl.h
+++ b/examples/AuroraDemo/PatternSwirl.h
@@ -62,12 +62,12 @@ class PatternSwirl : public Drawable {
 
       // The color of each point shifts over time, each at a different speed.
       uint16_t ms = millis();
-      effects.leds[XY(i, j)] += effects.ColorFromCurrentPalette(ms / 11);
-      //effects.leds[XY(j, i)] += effects.ColorFromCurrentPalette(ms / 13);   // this doesn't work for non-square matrices
-      effects.leds[XY(ni, nj)] += effects.ColorFromCurrentPalette(ms / 17);
-      //effects.leds[XY(nj, ni)] += effects.ColorFromCurrentPalette(ms / 29); // this doesn't work for non-square matrices
-      effects.leds[XY(i, nj)] += effects.ColorFromCurrentPalette(ms / 37);
-      effects.leds[XY(ni, j)] += effects.ColorFromCurrentPalette(ms / 41);
+      effects.leds[XY16(i, j)] += effects.ColorFromCurrentPalette(ms / 11);
+      //effects.leds[XY16(j, i)] += effects.ColorFromCurrentPalette(ms / 13);   // this doesn't work for non-square matrices
+      effects.leds[XY16(ni, nj)] += effects.ColorFromCurrentPalette(ms / 17);
+      //effects.leds[XY16(nj, ni)] += effects.ColorFromCurrentPalette(ms / 29); // this doesn't work for non-square matrices
+      effects.leds[XY16(i, nj)] += effects.ColorFromCurrentPalette(ms / 37);
+      effects.leds[XY16(ni, j)] += effects.ColorFromCurrentPalette(ms / 41);
 
       
       effects.ShowFrame();
diff --git a/examples/AuroraDemo/PatternWave.h b/examples/AuroraDemo/PatternWave.h
index 90e7448..4dcc103 100644
--- a/examples/AuroraDemo/PatternWave.h
+++ b/examples/AuroraDemo/PatternWave.h
@@ -60,36 +60,36 @@ public:
             case 0:
                 for (int x = 0; x < VPANEL_W; x++) {
                     n = quadwave8(x * 2 + theta) / scale;
-                    effects.drawBackgroundFastLEDPixelCRGB(x, n, effects.ColorFromCurrentPalette(x + hue));
+                    effects.setPixel(x, n, effects.ColorFromCurrentPalette(x + hue));
                     if (waveCount == 2)
-                        effects.drawBackgroundFastLEDPixelCRGB(x, maxY - n, effects.ColorFromCurrentPalette(x + hue));
+                        effects.setPixel(x, maxY - n, effects.ColorFromCurrentPalette(x + hue));
                 }
                 break;
 
             case 1:
                 for (int y = 0; y < VPANEL_H; y++) {
                     n = quadwave8(y * 2 + theta) / scale;
-                    effects.drawBackgroundFastLEDPixelCRGB(n, y, effects.ColorFromCurrentPalette(y + hue));
+                    effects.setPixel(n, y, effects.ColorFromCurrentPalette(y + hue));
                     if (waveCount == 2)
-                        effects.drawBackgroundFastLEDPixelCRGB(maxX - n, y, effects.ColorFromCurrentPalette(y + hue));
+                        effects.setPixel(maxX - n, y, effects.ColorFromCurrentPalette(y + hue));
                 }
                 break;
 
             case 2:
                 for (int x = 0; x < VPANEL_W; x++) {
                     n = quadwave8(x * 2 - theta) / scale;
-                    effects.drawBackgroundFastLEDPixelCRGB(x, n, effects.ColorFromCurrentPalette(x + hue));
+                    effects.setPixel(x, n, effects.ColorFromCurrentPalette(x + hue));
                     if (waveCount == 2)
-                        effects.drawBackgroundFastLEDPixelCRGB(x, maxY - n, effects.ColorFromCurrentPalette(x + hue));
+                        effects.setPixel(x, maxY - n, effects.ColorFromCurrentPalette(x + hue));
                 }
                 break;
 
             case 3:
                 for (int y = 0; y < VPANEL_H; y++) {
                     n = quadwave8(y * 2 - theta) / scale;
-                    effects.drawBackgroundFastLEDPixelCRGB(n, y, effects.ColorFromCurrentPalette(y + hue));
+                    effects.setPixel(n, y, effects.ColorFromCurrentPalette(y + hue));
                     if (waveCount == 2)
-                        effects.drawBackgroundFastLEDPixelCRGB(maxX - n, y, effects.ColorFromCurrentPalette(y + hue));
+                        effects.setPixel(maxX - n, y, effects.ColorFromCurrentPalette(y + hue));
                 }
                 break;
         }