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#include "ofApp.h"

//--------------------------------------------------------------
void ofApp::setup(){
	ofSetLogLevel(OF_LOG_VERBOSE);
	ofBackground(34, 34, 34);
	ofSetVerticalSync(false);
	ofEnableAlphaBlending();

	//we load a font and tell OF to make outlines so we can draw it as GL shapes rather than textures
	font.load("type/verdana.ttf", 80, true, false, true, 0.4, 72);
	shader.load("shaders/noise.vert", "shaders/noise.frag");

	auto textShapes = font.getStringAsPoints("openFrameworks");
	for (auto glyph : textShapes) {
		text.append(glyph);
	}

	ofRectangle boundingBox;
	for (auto outline : text.getOutline()) {
		boundingBox = boundingBox.getUnion(outline.getBoundingBox());
	}

	boundingBox.alignTo(ofGetCurrentViewport(), OF_ALIGN_HORZ_CENTER, OF_ALIGN_VERT_CENTER);
	glm::vec2 textPos(boundingBox.getX(), boundingBox.getMaxY());

	text.translate(textPos);
	text.setFillColor(ofColor(245, 58, 135));

	doShader = false;
}

//--------------------------------------------------------------
void ofApp::update(){

}

//--------------------------------------------------------------
void ofApp::draw(){
	if( doShader ){
		shader.begin();
		//we want to pass in some varrying values to animate our type / color
		shader.setUniform1f("timeValX", ofGetElapsedTimef() * 0.1 );
		shader.setUniform1f("timeValY", -ofGetElapsedTimef() * 0.18 );

		//we also pass in the mouse position
		//we have to transform the coords to what the shader is expecting which is 0,0 in the center and y axis flipped.
		shader.setUniform2f("mouse", ofGetMouseX() - ofGetWidth()/2, ofGetHeight()/2-ofGetMouseY() );

	}

	//finally draw our text
	text.draw();

	if( doShader ){
		shader.end();
	}
}

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

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

}

//--------------------------------------------------------------
void ofApp::windowResized(int w, int h){

}

//--------------------------------------------------------------
void ofApp::touchDown(int x, int y, int id){
	doShader = true;
}

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

}

//--------------------------------------------------------------
void ofApp::touchUp(int x, int y, int id){
	doShader = false;

}

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

}

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

}

//--------------------------------------------------------------
void ofApp::swipe(ofxAndroidSwipeDir swipeDir, int id){

}

//--------------------------------------------------------------
void ofApp::pause(){

}

//--------------------------------------------------------------
void ofApp::stop(){

}

//--------------------------------------------------------------
void ofApp::resume(){

}

//--------------------------------------------------------------
void ofApp::reloadTextures(){

}

//--------------------------------------------------------------
bool ofApp::backPressed(){
	return false;
}

//--------------------------------------------------------------
void ofApp::okPressed(){

};

//--------------------------------------------------------------
void ofApp::cancelPressed(){

};