#include "ofApp.h"

struct BallProperties {
    float xpos;
    float ypos;
    float radius;
    int facets;
    ofColor c1;
    ofColor c2;
    float yrot;
    float zrot;
};

//--------------------------------------------------------------
void ofApp::setup(){
    width = ofGetWidth();
    height = ofGetHeight();

    // Grid
    padding = height*5.0/100.0;
    numVLines = 16;
    numHLines = 13;
    gridSizeX = width-2*padding;
    gridSizeY = height-2*padding;

    // Ball Physics
    x = width/2;
    y = height/3;
    ySpeed = 0.0;
    yAcceleration = 0.25;
    xSpeed = 3.4;

    // Ball look
    facets = 7;
    rotation = glm::radians(15.0);
    //color1 = ofColor(255,255,255);
    //color2 = ofColor(255,0,0);
    //color1.r = 255; color1.g = 255; color1.b=255;
    //color2.r = 255; color2.g = 0; color2.b=0;
    rotSpeed = PI/150;
    radius = 100;
}

//--------------------------------------------------------------
void ofApp::update(){
    // Update the balls x position
    x += xSpeed;
    if (x < radius){
        xSpeed = -xSpeed;
    }
    if (x > width - radius){
        xSpeed = -xSpeed;
    }

    // Update y position by using acceleration (physics)
    y += ySpeed;
    if (y > height - radius ){
        ySpeed = - ySpeed;
    } else {
        ySpeed += yAcceleration;
    }

}

//--------------------------------------------------------------
void ofApp::draw(){
    // Clear the screen with a color
    ofClear(50, 50, 50);

    // Draw the grid
    ofSetColor(155, 29, 227);
    ofSetLineWidth(3);

    float xpos = padding;
    float ypos = padding;

    float xStep = gridSizeX/(numVLines-1);
    float yStep = gridSizeY/(numHLines-1);

    for (int vlines = 0; vlines < numVLines; vlines++) {
        ofDrawLine(xpos, padding, xpos, padding+gridSizeY);
        xpos += xStep;
    }

    for (int hlines = 0; hlines < numHLines; hlines++) {
        ofDrawLine(padding, ypos, padding+gridSizeX, ypos);
        ypos += yStep;
    }

    // Draw the balls shadow
    ofSetColor(0, 0, 0, 110);
    ofDrawCircle(x+20, y+20, radius);

    // Finally draw our ball
    drawAmigaBall(x,y, radius, facets, color1, color2, x*rotSpeed, rotation);

}

//--------------------------------------------------------------
void ofApp::keyPressed(int key){

}

//--------------------------------------------------------------
void ofApp::keyReleased(int key){

}

//--------------------------------------------------------------
void ofApp::mouseMoved(int x, int y ){

}

//--------------------------------------------------------------
void ofApp::mouseDragged(int x, int y, int button){

}

//--------------------------------------------------------------
void ofApp::mousePressed(int x, int y, int button){

}

//--------------------------------------------------------------
void ofApp::mouseReleased(int x, int y, int button){

}

//--------------------------------------------------------------
void ofApp::mouseEntered(int x, int y){

}

//--------------------------------------------------------------
void ofApp::mouseExited(int x, int y){

}

//--------------------------------------------------------------
void ofApp::windowResized(int w, int h){
    width = w;
    height = h;

    padding = height*5.0/100.0;
    gridSizeX = width-2*padding;
    gridSizeY = height-2*padding;
}

//--------------------------------------------------------------
void ofApp::gotMessage(ofMessage msg){

}

//--------------------------------------------------------------
void ofApp::dragEvent(ofDragInfo dragInfo){

}