Animation *update* unresponsive – posting src and snapshot of fully developed animation as featured image (above).
/*Random lerp circle spirals - cwelke @ SSStudios
last stable build 8/29/2015
Rendered in Java 1.8 using the Processing API which access OpenGL w/in Microsoft Windows 8.1*/
//global vars
float r = 0;
float angle = 0;
float rSteps;
float maxR;
float angleSteps;
float cirSZ;
float centerX;
float centerY;
float r1 = 0;
float angle1 = 0;
float rSteps1;
float maxR1;
float angleSteps1;
float cirSZ1;
float centerX1;
float centerY1;
void setup(){
size (840, 720);
smooth();
setRandomValues();
background(#0E0517); //dk purple-k
}
void draw(){
int i = 0;
int maxBlasts = 0;
//warm & cool spherical sprails ~=40
while(maxBlasts < 21){
displayEllipse2();
moveAngle();
moveAngle1();
checkEdges();
maxBlasts++;
}
while(i < 11){
displayEllipse();
moveAngle();
moveAngle1();
checkEdges();
i++;
}
maxBlasts = 0; //layering
while(maxBlasts < 8){
displayEllipse2();
moveAngle();
moveAngle1();
checkEdges();
maxBlasts++;
}
i = 0;
while(i < 4){
displayEllipse();
moveAngle(); moveAngle1(); checkEdges(); i++;
} //noLoop(); }
void setRandomValues(){
rSteps = random(4, 8); maxR = random(20, 160); angleSteps = random(PI/90, PI/9);
cirSZ = random (12, 44); centerX = random(width); centerY = random(height);
rSteps1 = random(6, 12); maxR1 = random(40, 250); angleSteps1 = random(PI/36, PI/18);
cirSZ1 = random (36, 44); centerX1 = random(width); centerY1 = random(height);
}
void moveAngle(){
angle = angle + angleSteps;
r = r + angleSteps*rSteps; }
void moveAngle1(){angle1 = angle1 + angleSteps1;
r1 = r1 + angleSteps1*rSteps1;
}
void displayEllipse(){
float colorValue = map(r, 0, maxR, 0, 1);
color c = lerpColor(#FF0000, #00FF00, colorValue); fill(c); stroke(#ffffff);
float x = centerX + cos(angle)*r;
float y = centerY + sin(angle)*r;
ellipse(x, y, cirSZ, cirSZ);
}
void displayEllipse2(){stroke(#000000); float colorValue1 = map(r1, 0, maxR1, 0, 1);
color d = lerpColor(#6600FF, #8A2EE6, colorValue1); fill(d);
float x1 = centerX1 + cos(angle1)*r1;
float y1 = centerY1 + sin(angle1)*r1;
ellipse(x1, y1, cirSZ1, cirSZ1);
}
void checkEdges(){
if(r >= maxR || r1 >= maxR1)
r = 0;
r1 = 0;
angle = 0;
angle1 = 0;
setRandomValues();
}
//rest
void mousePressed(){
r = 0;
r1 = 0;
angle = 0;
angle1 = 0;
setRandomValues();
}
//apologies if formatting is bad – ill conjure this up as another convenient XML “fast-loader”
//in fact code will appear as such in future posts for convenience and as jpegs for visualization -c
