removing old opengl library

2026-06-16 04:26:26 +02:00 · 2011-06-18 15:34:11 +00:00
parent 774c5a1746
commit da2739bbb0
17 changed files with 0 additions and 4686 deletions
@@ -1,165 +0,0 @@
-/**
- * Geometry 
- * by Marius Watz. 
- * 
- * Using sin/cos lookup tables, blends colors, and draws a series of 
- * rotating arcs on the screen.
-*/
- 
-
-import processing.opengl.*;
- 
-// Trig lookup tables borrowed from Toxi; cryptic but effective.
-float sinLUT[];
-float cosLUT[];
-float SINCOS_PRECISION=1.0;
-int SINCOS_LENGTH= int((360.0/SINCOS_PRECISION));
- 
-// System data
-boolean dosave=false;
-int num;
-float pt[];
-int style[];
-
- 
-void setup() {
-  size(1024, 768, OPENGL);
-  background(255);
-  
-  // Fill the tables
-  sinLUT=new float[SINCOS_LENGTH];
-  cosLUT=new float[SINCOS_LENGTH];
-  for (int i = 0; i < SINCOS_LENGTH; i++) {
-    sinLUT[i]= (float)Math.sin(i*DEG_TO_RAD*SINCOS_PRECISION);
-    cosLUT[i]= (float)Math.cos(i*DEG_TO_RAD*SINCOS_PRECISION);
-  }
- 
-  num = 150;
-  pt = new float[6*num]; // rotx, roty, deg, rad, w, speed
-  style = new int[2*num]; // color, render style
- 
-  // Set up arc shapes
-  int index=0;
-  float prob;
-  for (int i=0; i<num; i++) {
-    pt[index++] = random(PI*2); // Random X axis rotation
-    pt[index++] = random(PI*2); // Random Y axis rotation
- 
-    pt[index++] = random(60,80); // Short to quarter-circle arcs
-    if(random(100)>90) pt[index]=(int)random(8,27)*10;
- 
-    pt[index++] = int(random(2,50)*5); // Radius. Space them out nicely
- 
-    pt[index++] = random(4,32); // Width of band
-    if(random(100)>90) pt[index]=random(40,60); // Width of band
- 
-    pt[index++] = radians(random(5,30))/5; // Speed of rotation
- 
-    // get colors
-    prob = random(100);
-    if(prob<30) style[i*2]=colorBlended(random(1), 255,0,100, 255,0,0, 210);
-    else if(prob<70) style[i*2]=colorBlended(random(1), 0,153,255, 170,225,255, 210);
-    else if(prob<90) style[i*2]=colorBlended(random(1), 200,255,0, 150,255,0, 210);
-    else style[i*2]=color(255,255,255, 220);
-
-    if(prob<50) style[i*2]=colorBlended(random(1), 200,255,0, 50,120,0, 210);
-    else if(prob<90) style[i*2]=colorBlended(random(1), 255,100,0, 255,255,0, 210);
-    else style[i*2]=color(255,255,255, 220);
-
-    style[i*2+1]=(int)(random(100))%3;
-  }
-}
- 
-void draw() {
- 
-  background(0);
- 
-  int index=0;
-  translate(width/2, height/2, 0);
-  rotateX(PI/6);
-  rotateY(PI/6);
- 
-  for (int i = 0; i < num; i++) {
-    pushMatrix();
- 
-    rotateX(pt[index++]);
-    rotateY(pt[index++]);
- 
-    if(style[i*2+1]==0) {
-      stroke(style[i*2]);
-      noFill();
-      strokeWeight(1);
-      arcLine(0,0, pt[index++],pt[index++],pt[index++]);
-    }
-    else if(style[i*2+1]==1) {
-      fill(style[i*2]);
-      noStroke();
-      arcLineBars(0,0, pt[index++],pt[index++],pt[index++]);
-    }
-    else {
-      fill(style[i*2]);
-      noStroke();
-      arc(0,0, pt[index++],pt[index++],pt[index++]);
-    }
- 
-    // increase rotation
-    pt[index-5]+=pt[index]/10;
-    pt[index-4]+=pt[index++]/20;
- 
-    popMatrix();
-  }
-}
- 
- 
-// Get blend of two colors
-int colorBlended(float fract,
-float r, float g, float b,
-float r2, float g2, float b2, float a) {
- 
-  r2 = (r2 - r);
-  g2 = (g2 - g);
-  b2 = (b2 - b);
-  return color(r + r2 * fract, g + g2 * fract, b + b2 * fract, a);
-}
- 
- 
-// Draw arc line
-void arcLine(float x,float y,float deg,float rad,float w) {
-  int a=(int)(min (deg/SINCOS_PRECISION,SINCOS_LENGTH-1));
-  int numlines=(int)(w/2);
- 
-  for (int j=0; j<numlines; j++) {
-    beginShape();
-    for (int i=0; i<a; i++) { 
-      vertex(cosLUT[i]*rad+x,sinLUT[i]*rad+y);
-    }
-    endShape();
-    rad += 2;
-  }
-}
- 
-// Draw arc line with bars
-void arcLineBars(float x,float y,float deg,float rad,float w) {
-  int a = int((min (deg/SINCOS_PRECISION,SINCOS_LENGTH-1)));
-  a /= 4;
- 
-  beginShape(QUADS);
-  for (int i=0; i<a; i+=4) {
-    vertex(cosLUT[i]*(rad)+x,sinLUT[i]*(rad)+y);
-    vertex(cosLUT[i]*(rad+w)+x,sinLUT[i]*(rad+w)+y);
-    vertex(cosLUT[i+2]*(rad+w)+x,sinLUT[i+2]*(rad+w)+y);
-    vertex(cosLUT[i+2]*(rad)+x,sinLUT[i+2]*(rad)+y);
-  }
-  endShape();
-}
- 
-// Draw solid arc
-void arc(float x,float y,float deg,float rad,float w) {
-  int a = int(min (deg/SINCOS_PRECISION,SINCOS_LENGTH-1));
-  beginShape(QUAD_STRIP);
-  for (int i = 0; i < a; i++) {
-    vertex(cosLUT[i]*(rad)+x,sinLUT[i]*(rad)+y);
-    vertex(cosLUT[i]*(rad+w)+x,sinLUT[i]*(rad+w)+y);
-  }
-  endShape();
-}