twitch / spritesheet

int    stageW   = 1920;
int    stageH   = 981;
color  clrBG    = #999999;
String pathDATA = "../../data/";

// ********************************************************************************************************************

PImage ss;
int    ssW      = 980;
int    ssH      = 980;
int    ssCols   = 5;
int    ssRows   = 5;
int    ssMax    = ssCols * ssRows;
int    ssCellW  = ssW/ssCols;
int    ssCellH  = ssH/ssRows;

int    ssCount  = 0;
int    ssX, ssY; // store/update x,y positions

int    speedMin = 0;
int    speedMax = 2;

// ********************************************************************************************************************

void settings() {
    size(stageW, stageH, P3D);
    // noSmooth(); // does nothing says joshua davis
}

void setup(){
    // aliasing to anti-aliasing / pixel perfect to blurry
    // 2 (nearest), 3 (linear), 4 (bilinear), and 5 (trilinear):
    hint(DISABLE_TEXTURE_MIPMAPS);
    ((PGraphicsOpenGL)g).textureSampling(2);

    ss = loadImage(pathDATA + "spritesheet.png");
}

void draw(){
    background(clrBG);

    // lets visualize the sprite sheet
    image(ss, 0, 0, ssW, ssH);

    // lets visualize the texture selection moving trough the spritesheet
    if (++speedMin%speedMax==0) {
        ssX = (ssCount%ssCols) * ssCellW;
        ssY = (ssCount/ssRows) * ssCellH;
        ssCount = ++ssCount%ssMax;
    }

    strokeWeight(1);
    stroke(#FF3300);
    noFill();
    rect(ssX, ssY, ssCellW, ssCellH);

    // create an object that performs the sprite sheet animation

    strokeWeight(0);
    noStroke();
    noFill();
    noTint();

    pushMatrix();
        translate(stageW/2, stageH/2, 0);

        pushMatrix();
            translate( (stageW-ssW)/2, 0);
            scale(ssCellW); // 196 (980/5)

            beginShape(QUADS);
                texture(ss);
                vertex( -(0.5), -(0.5), 0,   ssX,                 ssY);
                vertex(  (0.5), -(0.5), 0,   ssX+ssCellW,         ssY);
                vertex(  (0.5),  (0.5), 0,   ssX+ssCellW, ssY+ssCellH);
                vertex( -(0.5),  (0.5), 0,   ssX,         ssY+ssCellH);
            endShape(CLOSE);
        popMatrix();

    popMatrix();




    // pushMatrix();
    //  translate(982, 0);
    //  // src, srcX, srcY, srcW, srcH, destX, destY, destW, destH
    //  copy(ss,   ssX,ssY,ssCellW,ssCellH,   0,0,ssCellW,ssCellH);
    // popMatrix();

    surface.setTitle( int(frameRate) + " FPS" );
}

// ********************************************************************************************************************