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int n = 10; | |
float xpos[] = new float[n]; | |
float ypos[] = new float[n]; | |
// -------------------------------------------------------- | |
void setup() { | |
size(500, 500); | |
for (int i=0; i<n; i++) { | |
xpos[i] = i * 10; | |
ypos[i] = i * 10; | |
} | |
} | |
// -------------------------------------------------------- | |
void draw() { | |
background(255); | |
xpos[0] = mouseX; | |
ypos[0] = mouseY; | |
float restLen = 20.0; | |
for (int i=1; i<n; i++) { | |
float dx = xpos[i] - xpos[i-1]; | |
float dy = ypos[i] - ypos[i-1]; | |
float d = sqrt(dx*dx + dy*dy); | |
if (d>0) { | |
xpos[i] = xpos[i-1] + (dx * restLen) / d; | |
ypos[i] = ypos[i-1] + (dy * restLen) / d; | |
} | |
} | |
for (int i=1; i<n; i++) { | |
noStroke(); | |
stroke(0); | |
line(xpos[i], ypos[i], xpos[i-1], ypos[i-1]); | |
} | |
} |
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