Initial data commit

Task/Plasma-effect/Processing-Python-mode/plasma-effect.processing-py

@@ -0,0 +1,47 @@
+"""
+Plasmas with Palette Looping
+https://lodev.org/cgtutor/plasma.html#Plasmas_with_Palette_Looping_
+"""
+
+pal = [0] * 128
+r = 42
+g = 84
+b = 126
+rd = gd = bd = False
+
+def setup():
+    global buffer
+    size(600, 600)
+    frameRate(25)
+    buffer = [None] * width * height
+    for x in range(width):
+        for y in range(width):
+            value = int(((128 + (128 * sin(x / 32.0)))
+                         + (128 + (128 * cos(y / 32.0)))
+                         + (128 + (128 * sin(sqrt((x * x + y * y)) / 32.0)))) / 4)
+            buffer[x + y * width] = value
+
+def draw():
+    global r, g, b, rd, gd, bd
+    if r > 128: rd = True
+    if not rd: r += 1
+    else: r-=1
+    if r < 0: rd = False
+    if g > 128: gd = True
+    if not gd: g += 1
+    else: g- = 1
+    if r < 0: gd = False
+    if b > 128: bd = True
+    if not bd: b += 1
+    else: b- = 1
+    if b < 0: bd = False
+
+    for i in range(128):
+          s_1 = sin(i * PI / 25)
+          s_2 = sin(i * PI / 50 + PI / 4)
+          pal[i] = color(r + s_1 * 128, g + s_2 * 128, b + s_1 * 128)
+
+    loadPixels()
+    for i, b in enumerate(buffer):
+          pixels[i] = pal[(b + frameCount) % 127]
+    updatePixels()