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void drawFish(int x, int y, float scale) {
    // fish tail
    fill(random(255), random(255), random(255));
    noStroke();
    //stroke(0);
    //strokeWeight(1);
    triangle(x, y,
            x + scale * 4, y + scale * 3,
            x, y + scale * 6);
    // fish body
    //fill(random(255), random(255), random(255));
    float centerOfBodyX = x + scale * 8;
    float centerOfBodyY = y + scale * 2;
    ellipse(centerOfBodyX, centerOfBodyY, 9 * scale, 7 * scale);
    // fish eye
    fill(0);
    ellipse(centerOfBodyX + scale * 3, centerOfBodyY + scale * -1, .5 * scale, .5 * scale);
    
    drawBubble(x + scale * 16, y + scale * 3, scale);
    drawBubble(x + scale * 20, y, scale * 2.0);
}

void drawBubble(float x, float y, float scale) {
    fill(204, 255, 255, 128);
    noStroke();
    ellipse(x, y, 3 * scale, 3 * scale);
}

void drawOcean() {
    background(0);
    fill(109, 219, 236);
    noStroke();
    rect(0, 0, 500, 500);
    // hook 1
    stroke(166, 192, 192);
    strokeWeight(4);
    arc(101, 65, 50, 70, 0, PI/2);
    line(100, 0, 100, 100);
    // hook 2
    arc(339, 165, 50, 70, PI/2, PI);
    line(340, 0, 340, 200);
    // hook 3
    arc(291, 350, 50, 70, 0, PI/2);
    line(290, 0, 290, 385);
}

void setup(){
    size(500,500);
}

void draw(){
    drawOcean();
    // For loop:
    for (int i = 0; i < 20; i++) {
        drawFish(int(random(500)), int(random(500)), 2 + random(3));
    }
    
    // While loop:
    int i = 0;
    while (i < 20) {
        drawFish(int(random(500)), int(random(500)), 2 + random(3));
        i++;
    }
    
    /*
    for(INIT; TEST; UPDATE) {
        ...
    }

    INIT;
    while (TEST) {
        ...
        UPDATE;
    }
    */
    noLoop();
}

void setup() {
    size(400, 50);
}

int minimum(int a, int b, int c) {
    if (a <= b && a <= c) {
        return a;
    } else if (b <= a && b <= c) {
        return b;
    } else {
        return c;
    }
}

void draw() {
    background(255);
    fill(0);
    text("The minium of 3, 3, and 6 is:" + minimum(3, 3, 6), 10, 20);
    noLoop();
}

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