Created
September 21, 2015 16:04
-
-
Save jessherzog/2a79a764437b616a4069 to your computer and use it in GitHub Desktop.
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
int value; | |
void setup() { | |
size(640, 360); | |
} | |
void draw() { | |
background(102); | |
pushMatrix(); | |
translate(width*0.2, height*0.5); | |
rotate(frameCount / 16.0); | |
star(0, 0, 5, 70, 3); | |
popMatrix(); | |
fill(value); | |
pushMatrix(); | |
translate(width*0.8, height*0.5); | |
rotate(frameCount / 7.0); | |
star(0, 0, 10, 700, 30); | |
popMatrix(); | |
fill(value); | |
pushMatrix(); | |
translate(width*0.9, height*1.0); | |
rotate(frameCount / 2.0); | |
star(0, 0, 12, 750, 80); | |
popMatrix(); | |
pushMatrix(); | |
translate(width*0.5, height*0.5); | |
rotate(frameCount / 50.0); | |
star(0, 0, 80, 100, 40); | |
popMatrix(); | |
pushMatrix(); | |
translate(width*0.8, height*0.5); | |
rotate(frameCount / -100.0); | |
star(6, 0, 30, 70, 5); | |
popMatrix(); | |
} | |
void star(float x, float y, float radius1, float radius2, int npoints) { | |
float angle = TWO_PI / npoints; | |
float halfAngle = angle/2.0; | |
beginShape(); | |
for (float a = 0; a < TWO_PI; a += angle) { | |
float sx = x + cos(a) * radius2; | |
float sy = y + sin(a) * radius2; | |
vertex(sx, sy); | |
sx = x + cos(a+halfAngle) * radius1; | |
sy = y + sin(a+halfAngle) * radius1; | |
vertex(sx, sy); | |
} | |
endShape(CLOSE); | |
} |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment