comparison testApp.cpp @ 0:2db9be889344

Initial Commit

+#include "testApp.h"
+
+
+//--------------------------------------------------------------
+void testApp::setup(){
+	counter = 0;
+	ofSetCircleResolution(50);
+	ofBackground(255,255,255);
+	bSmooth = false;
+	ofSetWindowTitle("graphics example");
+
+	ofSetFrameRate(60); // if vertical sync is off, we can go a bit fast... this caps the framerate at 60fps.
+}
+
+//--------------------------------------------------------------
+void testApp::update(){
+	counter = counter + 0.033f;
+}
+
+//--------------------------------------------------------------
+void testApp::draw(){
+
+	//--------------------------- circles
+	//let's draw a circle:
+	ofSetColor(255,130,0);
+	float radius = 50 + 10 * sin(counter);
+	ofFill();		// draw "filled shapes"
+	ofCircle(100,400,radius);
+
+	// now just an outline
+	ofNoFill();
+	ofSetColor(0xCCCCCC);
+	ofCircle(100,400,80);
+
+	// use the bitMap type
+	// note, this can be slow on some graphics cards
+	// because it is using glDrawPixels which varies in
+	// speed from system to system.  try using ofTrueTypeFont
+	// if this bitMap type slows you down.
+	ofSetColor(0x000000);
+	ofDrawBitmapString("circle", 75,500);
+
+
+	//--------------------------- rectangles
+	ofFill();
+	for (int i = 0; i < 200; i++){
+		ofSetColor((int)ofRandom(0,255),(int)ofRandom(0,255),(int)ofRandom(0,255));
+		ofRect(ofRandom(250,350),ofRandom(350,450),ofRandom(10,20),ofRandom(10,20));
+	}
+	ofSetColor(0x000000);
+	ofDrawBitmapString("rectangles", 275,500);
+
+	//---------------------------  transparency
+	ofSetColor(0x00FF33);
+	ofRect(400,350,100,100);
+	// alpha is usually turned off - for speed puposes.  let's turn it on!
+	ofEnableAlphaBlending();
+	ofSetColor(255,0,0,127);   // red, 50% transparent
+	ofRect(450,430,100,33);
+	ofSetColor(255,0,0,(int)(counter * 10.0f) % 255);   // red, variable transparent
+	ofRect(450,370,100,33);
+	ofDisableAlphaBlending();
+
+	ofSetColor(0x000000);
+	ofDrawBitmapString("transparency", 410,500);
+
+	//---------------------------  lines
+	// a bunch of red lines, make them smooth if the flag is set
+
+	if (bSmooth){
+		ofEnableSmoothing();
+	}
+
+	ofSetColor(0xFF0000);
+	for (int i = 0; i < 20; i++){
+		ofLine(600,300 + (i*5),800, 250 + (i*10));
+	}
+
+	if (bSmooth){
+		ofDisableSmoothing();
+	}
+
+	ofSetColor(0x000000);
+	ofDrawBitmapString("lines\npress 's' to toggle smoothness", 600,500);
+
+}
+
+
+//--------------------------------------------------------------
+void testApp::keyPressed  (int key){
+	if (key == 's'){
+		bSmooth = !bSmooth;
+	}
+}
+
+//--------------------------------------------------------------
+void testApp::keyReleased  (int key){
+
+}
+
+//--------------------------------------------------------------
+void testApp::mouseMoved(int x, int y ){
+}
+
+//--------------------------------------------------------------
+void testApp::mouseDragged(int x, int y, int button){
+}
+
+//--------------------------------------------------------------
+void testApp::mousePressed(int x, int y, int button){
+}
+
+
+//--------------------------------------------------------------
+void testApp::mouseReleased(int x, int y, int button){
+
+}
+
+//--------------------------------------------------------------
+void testApp::windowResized(int w, int h){
+
+}