/* built with Studio Sketchpad: 
 *   https://sketchpad.cc
 * 
 * observe the evolution of this sketch: 
 *   https://dflab.sketchpad.cc/sp/pad/view/ro.IrRHEwFBFWM/rev.122
 * 
 * authors: 
 *   Marta Gomes

 * license (unless otherwise specified): 
 *   creative commons attribution-share alike 3.0 license.
 *   https://creativecommons.org/licenses/by-sa/3.0/ 
 */ 



// This sketch builds on a prior work, "09 - Interacção", created by Pedro Ângelo
// http://dflab.sketchpad.cc/sp/pad/view/ro.9oKynkx5tfBnv3/rev.158


float px[];
float py[];


int prey = 15;

PImage prey1;
PImage hunt;

void setup() {  
    size(500, 500); 
    
    cidade = loadImage("/static/uploaded_resources/p.10286/city.jpg");
    prey1 = loadImage("/static/uploaded_resources/p.10286/prey.png");
    hunt = loadImage("/static/uploaded_resources/p.10286/hunt.png");
 
    
    px = new float[prey];
    py = new float[prey];
    
    for (int i = 0; i < prey; i++) {
        px[i] = random (width);
        py[i] = random (height);
    }
} 
  
void draw() {
    image (cidade, 0, 0, 500, 600);
    
    for (int i = 0; i < prey; i = i+1) {
        px[i] = constrain (px[i] + random (-2, 2), 0, width);
        py[i] = constrain (py[i] + random (-2, 2), 0, height);
        
        if (dist (px[i], py[i], mouseX, mouseY) < 100) {
            vx = (px[i] - mouseX);
            vy = (py[i] - mouseY);
            
            px[i] = px[i] + vx;
            py[i] = py[i] + vy;
        }
      
        image (prey1, px[i], py[i]);
    }
    image (hunt, (mouseX - 60), (mouseY - 68));
}