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Public notebooks: /services/public/dblank / CS110 Intro to Computing / 2015-Fall / Notes
class Person {
    int x, y;
    float angle;
    
    Person(int x, int y) {
        this.x = x;
        this.y = y;
        this.angle = ranom;
    }
    void move() {
        this.angle = this.angle + .1; // these are in radians
    }
    
    void draw() {
        ellipse(this.x, this.y, 50, 50);
        rect(this.x - 25, this.y + 25, 50, 100);
        // left arm:
        quad(this.x - 25 - 10, this.y + 25,
             this.x - 25, this.y + 25,
             this.x - 25, this.y + 25 + 40,
             this.x - 25 - 10, this.y + 25 + 40);

        // right arm, draw relative to origin:
        float x1 = 0;
        float y1 = 0;
        float x2 = 10;
        float y2 = 0;
        float x3 = 10;
        float y3 = 40;
        float x4 = 0;
        float y4 = 40;
               
        pushMatrix();
        translate(this.x + 25, this.y + 25); // move to where you want it
        rotate(angle);                       // rotate it
        quad(x1, y1,
             x2, y2,
             x3, y3,
             x4, y4);
        popMatrix();
    }
}

Person[] people = new Person[5];

void setup() {
    int i = 0;
    while (i < 5) {
        people[i] = new Person(int(random(500)), 100);
        i = i + 1; // i++
    }
     size(500, 300);
}

void draw() {
    background(128);
    for (int i=0; i < 5; i++) {
        people[i].draw();
    }
    text("Click to move arm", 10, 20);
}

void mousePressed() {
    for (int i=0; i < 5; i++) {
        people[i].move();
    }    
}
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