#include "ofApp.h"
#include "glew.h"


//--------------------------------------------------------------
void ofApp::setup(){
	warpframe[0]=glm::vec2(0,0);
    warpframe[1]=glm::vec2(ofGetWidth(),0);
    warpframe[2]=glm::vec2(ofGetWidth(),ofGetHeight());
    warpframe[3]=glm::vec2(0,ofGetHeight());
    select_warpframe=-1;
    bDrawFrame=false;
}

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


}

void ofApp::updateGui(ofEventArgs & args){

	
}


//--------------------------------------------------------------	
void ofApp::drawGui(ofEventArgs & args){
	ofBackground(0);

}

void ofApp::draw(){
	ofBackground(0);
	//composite output window

	ofSetColor(255,255,255);

	ofMatrix4x4 m = ofMatrix4x4::newIdentityMatrix();
    m.rotateRad(ofGetElapsedTimef(),0,0,1);
    m.translate(ofGetWidth()/2,ofGetHeight()/2,0);

    glm::vec2 src[]={
    	glm::vec2(0,0),
    	glm::vec2(ofGetWidth(),0),
    	glm::vec2(ofGetWidth(),ofGetHeight()),
    	glm::vec2(0,ofGetHeight())
    };

    ofMatrix4x4 warp =lineTransformer::getPerspectiveTransformMatrix(src,warpframe);

    //drawPoly(polyLineTransform(makePolygon(4,200),m),200,200);
    //drawPoly(polyLineTransform(makePolygon(5,200),m),-200,200);
    //drawPoly(polyLineTransform(makePolygon(6,200),m),-200,-200);

    lineTransformer::drawPoly(
    	lineTransformer::polyLineTransform(
    		lineTransformer::polyLineTransform(
    			lineTransformer::makePolygon(6,200)
    			,m)
    		,warp)
    	,0,0);

    if (bDrawFrame){
    	lineTransformer::drawWarpFrame(warpframe);
    }

}

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

}



//--------------------------------------------------------------
void ofApp::keyPressed(ofKeyEventArgs &args){

	if (args.key==OF_KEY_COMMAND){
		commandPressed=true;
	}

	switch(args.key){
		case 'w':{
			bDrawFrame=!bDrawFrame;
			break;
		}	
		case OF_KEY_COMMAND:{
			commandPressed=true;
		}
	}


}

void ofApp::guiKeyPressed(ofKeyEventArgs &args){

}

//--------------------------------------------------------------
void ofApp::keyReleased(int key){
	if (key==OF_KEY_COMMAND){
		commandPressed=false;
	}
}

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

}

//--------------------------------------------------------------
void ofApp::mouseDragged(int x, int y, int button){
	if (select_warpframe>-1){
		warpframe[select_warpframe]=glm::vec2(x,y);
	}
}

//--------------------------------------------------------------
void ofApp::mousePressed(int x, int y, int button){
	for (int i=0;i<4;i++){
		if (ofPoint(x,y).distance(warpframe[i])<25){
			select_warpframe=i;
		}
	}
}

//--------------------------------------------------------------
void ofApp::mouseReleased(int x, int y, int button){
	select_warpframe=-1;
}

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

}

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

}

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

}

void ofApp::guiWindowResized(ofResizeEventArgs &resizeargs){

}


//--------------------------------------------------------------
void ofApp::dragEvent(ofDragInfo dragInfo){ 
	//std::string filenames;
	
	//for (auto f = dragInfo.files.begin(); f != dragInfo.files.end(); f++){
	//	if (f!=dragInfo.files.begin()){
	//		filenames=filenames+", ";
	//	}
	//	filenames=filenames+*f;

	//	if (dragInfo.position.y<200){
	//		sets[0].addfiles(dragInfo.files); //,dragInfo.position);
	//	}
	//	else sets[1].addfiles(dragInfo.files); //,dragInfo.position);

		
	//}
	
}