Created
July 23, 2024 09:53
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| float count = 10; | |
| float step = 40; | |
| float xPos = 400; | |
| PGraphics gradient; | |
| void setup() { | |
| size(800, 600, P2D); | |
| createGradient(); | |
| rectMode(CORNER); | |
| frameRate(6); | |
| } | |
| void draw() { | |
| xPos += step; | |
| xPos %= width; | |
| background(32); | |
| image(gradient, width/2 - 80, height / 2 - 200, 160, 160); // debug gradient visual | |
| noStroke(); | |
| float gradientMiddleX = gradient.width/2f; | |
| float y = height / 2 + 100; | |
| for (int i = 1; i < count; i++) { | |
| // find this rectangle's slice of the gradient | |
| float texCoordY = norm(i, 0, count-1); | |
| float texCoordYPrevious = norm(i-1, 0, count-1); | |
| float x = (xPos + i * step) % width; | |
| beginShape(); // draw a shape, one rectangle in our case | |
| texture(gradient); // using this texture | |
| textureMode(NORMAL); // using texture coords in range [0-1] | |
| vertex(x+step, y, gradientMiddleX, texCoordY); // top right, start of local gradient segment | |
| vertex(x+step, y+step, gradientMiddleX, texCoordY); // bot right, start of local gradient segment | |
| vertex(x, y+step, gradientMiddleX, texCoordYPrevious); // bot left, end of local gradient segment | |
| vertex(x, y, gradientMiddleX, texCoordYPrevious); // top left, end of local gradient segment | |
| endShape(); | |
| } | |
| } | |
| void createGradient() { | |
| int topColor = color(150, 255, 100); | |
| int botColor = color(255, 0, 125); | |
| gradient = createGraphics(width, height, P2D); | |
| gradient.beginDraw(); | |
| gradient.clear(); | |
| gradient.beginShape(); | |
| gradient.fill(topColor); | |
| gradient.vertex(0, 0); | |
| gradient.vertex(gradient.width, 0); | |
| gradient.fill(botColor); | |
| gradient.vertex(gradient.width, gradient.height); | |
| gradient.vertex(0, gradient.height); | |
| gradient.endShape(); | |
| gradient.endDraw(); | |
| } |
Author
KrabCode
commented
Jul 23, 2024
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