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ae7b1ad056
processing-js 0.4 has been merged in some relevant parts basic and topic scripts added for test color handling fixed, more scripts show up now
36 lines
683 B
Plaintext
36 lines
683 B
Plaintext
float[] x = new float[20];
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float[] y = new float[20];
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float segLength = 9;
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void setup() {
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size(200, 200);
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smooth();
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strokeWeight(5);
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stroke(0, 100);
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}
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void draw() {
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background(226);
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dragSegment(0, mouseX, mouseY);
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for(int i=0; i<x.length-1; i++) {
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dragSegment(i+1, x[i], y[i]);
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}
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}
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void dragSegment(int i, float xin, float yin) {
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float dx = xin - x[i];
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float dy = yin - y[i];
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float angle = atan2(dy, dx);
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x[i] = xin - cos(angle) * segLength;
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y[i] = yin - sin(angle) * segLength;
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segment(x[i], y[i], angle);
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}
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void segment(float x, float y, float a) {
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pushMatrix();
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translate(x, y);
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rotate(a);
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line(0, 0, segLength, 0);
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popMatrix();
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}
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