09

/**
*Plasma Demo Effect
*by luis2048.
*
*/
int pixelSize = 2;
PGraphics pg;

void setup(){
size(400,400);
//Create buffered image for plasma effect
pg = createGraphics(160,90,P2D);
colorMode(HSB);
// noSmooth();
smooth();
}

void draw(){
float xc = 25;
//int timeDisplacement = millis()/30;
int timeDisplacement = frameCount;

float calculation1 = sin(radians(timeDisplacement * 0.61655617));
float calculation2 = sin(radians(timeDisplacement * -3.6352262));

pg.beginDraw();
pg.loadPixels();
for(int x =0; x < pg.width; x++,xc += pixelSize){
float yc = 25;
float s1 = 128 + 128*sin(radians(xc) * calculation1);
for(int y =0; y < pg.height; y ++, yc += pixelSize){
float s2 = 128+128*sin(radians(yc)*calculation2);
float s3 = 128 + 128 * sin(radians((xc + yc + timeDisplacement * 5)/2));
float s = (s1 + s2 + s3) /3;
pg.pixels[x+y*pg.width] = color(s,255 - s/ 2.0,255);
}
}
pg.updatePixels();
pg.endDraw();

image(pg,0,0,width,height);
}