2D Spaceships.

wled00/FX.cpp

@@ -5411,3 +5411,74 @@ uint16_t WS2812FX::mode_2DAkemi(void) {
   */
   return FRAMETIME;
 } // mode_2DAkemi
+
+/////////////////////////
+//     2D spaceships   //
+/////////////////////////
+uint16_t WS2812FX::mode_2Dspaceships(void) {    //// Space ships by stepko (c)05.02.21 [https://editor.soulmatelights.com/gallery/639-space-ships], adapted by Blaz Kristan
+  if (!isMatrix) return mode_static(); // not a 2D set-up
+
+  uint16_t width  = SEGMENT.virtualWidth();
+  uint16_t height = SEGMENT.virtualHeight();
+  uint16_t dataSize = sizeof(CRGB) * width * height;
+
+  if (!SEGENV.allocateData(dataSize)) return mode_static(); //allocation failed
+  CRGB *leds = reinterpret_cast<CRGB*>(SEGENV.data);
+
+  if (SEGENV.call == 0) fill_solid(leds, CRGB::Black);
+
+  uint32_t tb = now >> 12;  // every ~4s
+  if (tb != SEGENV.step) {
+    if (SEGENV.aux0 >= 7) SEGENV.aux0 = 0;
+    else SEGENV.aux0++;
+    SEGENV.step = tb;
+  }
+
+  fadeToBlackBy(leds, SEGMENT.speed>>4);
+  switch (SEGENV.aux0) {
+    case 0:
+      moveX(leds, 1);
+      break;
+    case 1:
+      moveX(leds, 1);
+      moveY(leds, -1);
+      break;
+    case 2:
+      moveY(leds, -1);
+      break;
+    case 3:
+      moveX(leds, -1);
+      moveY(leds, -1);
+      break;
+    case 4:
+      moveX(leds, -1);
+      break;
+    case 5:
+      moveX(leds, -1);
+      moveY(leds, 1);
+      break;
+    case 6:
+      moveY(leds, 1);
+      break;
+    case 7:
+      moveX(leds, 1);
+      moveY(leds, 1);
+      break;
+  }
+  for (byte i = 0; i < 8; i++) {
+    byte x = beatsin8(12 + i, 2, width - 3);
+    byte y = beatsin8(15 + i, 2, height - 3);
+    CRGB color = ColorFromPalette(currentPalette, beatsin8(12 + i, 0, 255), 255);
+    leds[XY(x, y)] += color;
+    if (width > 24 || height > 24) {
+      leds[XY(x + 1, y)] += color;
+      leds[XY(x - 1, y)] += color;
+      leds[XY(x, y + 1)] += color;
+      leds[XY(x, y - 1)] += color;
+    }
+  }
+  blur2d(leds, SEGMENT.intensity>>3);
+
+  setPixels(leds);
+  return FRAMETIME;
+}

wled00/FX.h

@@ -261,8 +261,9 @@
 #define FX_MODE_SUN_RADIATION          138
 #define FX_MODE_TARTAN                 139
 #define FX_MODE_WAVERLY                140
+#define FX_MODE_SPACESHIPS             141
 
-#define MODE_COUNT                     141
+#define MODE_COUNT                     142
 
 
 class WS2812FX {
@@ -650,6 +651,7 @@ class WS2812FX {
       _mode[FX_MODE_TARTAN]                  = &WS2812FX::mode_2Dtartan;
       _mode[FX_MODE_WAVERLY]                 = &WS2812FX::mode_2DWaverly;
       _mode[FX_MODE_AKEMI]                   = &WS2812FX::mode_2DAkemi;
+      _mode[FX_MODE_SPACESHIPS]              = &WS2812FX::mode_2Dspaceships;
 
       _brightness = DEFAULT_BRIGHTNESS;
       currentPalette = CRGBPalette16(CRGB::Black);
@@ -910,6 +912,8 @@ class WS2812FX {
       blur2d(CRGB* leds, fract8 blur_amount),
       blurRow(uint16_t row, fract8 blur_amount, CRGB* leds=nullptr),
       blurCol(uint16_t col, fract8 blur_amount, CRGB* leds=nullptr),
+      moveX(CRGB *leds, int8_t delta),
+      moveY(CRGB *leds, int8_t delta),
       fill_solid(CRGB* leds, const struct CRGB& color),
       fadeToBlackBy(CRGB* leds, uint8_t fadeBy),
       nscale8(CRGB* leds, uint8_t scale),
@@ -949,7 +953,8 @@ class WS2812FX {
     mode_2DSunradiation(void),
     mode_2Dtartan(void),
     mode_2DWaverly(void),
-    mode_2DAkemi(void);
+    mode_2DAkemi(void),
+    mode_2Dspaceships(void);
 
 // end 2D support
 

wled00/FX_2Dfcn.cpp

@@ -262,6 +262,47 @@ void WS2812FX::blur2d(CRGB* leds, fract8 blur_amount) {
   for (uint16_t k = 0; k < width; k++)  blurCol(k, blur_amount, leds); // blur all columns
 }
 
+void WS2812FX::moveX(CRGB *leds, int8_t delta) {
+  uint16_t width  = SEGMENT.virtualWidth();  // same as SEGLEN
+  uint16_t height = SEGMENT.virtualHeight();
+  if (delta) {
+    if (delta > 0) {
+      for (uint8_t y = 0; y < height; y++) {
+        for (uint8_t x = 0; x < width; x++) {
+          leds[XY(x, y)] = leds[XY(x + delta, y)];
+        }
+      }
+    } else {
+      for (uint8_t y = 0; y < height; y++) {
+        for (uint8_t x = width - 1; x > 0; x--) {
+          leds[XY(x, y)] = leds[XY(x + delta, y)];
+        }
+      }
+    }
+  }
+}
+
+void WS2812FX::moveY(CRGB *leds, int8_t delta) {
+  uint16_t width  = SEGMENT.virtualWidth();  // same as SEGLEN
+  uint16_t height = SEGMENT.virtualHeight();
+  if (delta) {
+    if (delta > 0) {
+      for (uint8_t x = 0; x < height; x++) {
+        for (uint8_t y = 0; y < width; y++) {
+          leds[XY(x, y)] = leds[XY(x, y + delta)];
+        }
+      }
+    } else {
+      for (uint8_t x = 0; x < height; x++) {
+        for (uint8_t y = width - 1; y > 0; y--) {
+          leds[XY(x, y)] = leds[XY(x, y + delta)];
+        }
+      }
+    }
+  }
+}
+
+
 //ewowi20210628: new functions moved from colorutils: add segment awareness
 
 void WS2812FX::fill_solid(CRGB* leds, const struct CRGB& color) {

wled00/FX_fcn.cpp

@@ -1455,6 +1455,7 @@ const char JSON_mode_names[] PROGMEM = R"=====([
 "2D Sun Radiation@Variance,Brightness;;",
 "2D Tartan@X scale,Y scale;;!",
 "2D Waverly@Fade rate,Sensitivity;;!",
+"2D Spaceships@Fade rate,Blur;!,!,!;!"
 ])=====";
 
 const char JSON_palette_names[] PROGMEM = R"=====([