Week 2 OF Graphics Example

OF-Graphics-Example

/*
*
* interactive art & creative coding
* ofSketch class demo
* Week 2
*
*/

// variable declaration
int x;
int myVariable;
int speed;
int increment;

// colors for balloon
int r;
int g;
int b;

void setup() {
    
    x = 250;
    speed = 60;
    increment = 0;
    ofSetCircleResolution(100);
	ofSetWindowShape(800, 800);
	ofEnableAlphaBlending();
	
	ofBackground(255,0,80);
	
	ofSetFrameRate(speed);
	
	ofSetWindowTitle("Look at my Balloon!");
	
	// generate a random starting color for the balloon
	r = ofRandom(127,255);
	g = ofRandom(127,255);
	b = ofRandom(127,255);
}

void draw() {
    
    // check to see if the text went off screen
	if (increment > ofGetWindowWidth() ){
	    increment = 0;
	}
	// pseudo mountains
	ofNoFill();
	ofSetColor(0,255,0);
	ofTriangle(0, 800, 200, 600, 400, 800);
	ofTriangle(100, 800, 300, 600, 500, 800);
	ofTriangle(400, 800, 600, 600, 800, 800);
	
	
	ofFill();
	
	// drawing a square purple cloud
	ofSetColor(0,0,255,100);
	ofRect(50,50,600,600);
	
	// drawing a vertical line for my balloon string
	ofSetColor(0,255,0);
	ofLine(mouseX, 100, mouseX, 400);
	
	// now i have a balloon!
	ofSetColor(r,g,b);
	ofEllipse(mouseX,140,100,120);
	
	// move text across the screen
	increment++;
	ofSetColor(255);
	ofDrawBitmapString("This is my cool balloon", increment, mouseY);
	
// 	ofLogNotice("This is a random color") << thisColor;
}

// use key presses to generate new balloon colors
void keyPressed(int key)
{
    if('r' == key) {
    	// generate a random red value
    	r = ofRandom(127,255);
   	} else if('g' == key) {
    	// generate a random red value
    	g = ofRandom(127,255);
   	} else if('b' == key) {
    	// generate a random red value
    	b = ofRandom(127,255);
   	} else if(' ' == key)
    {
        ofToggleFullscreen();
    }
}