28. Oktober 2011
Some basic functions for a simple 2D game.<pre>//Joachim Hummel //17.11.2011 int levelsizeX = 500; int levelsizeY = 500; int playerKeyCode = 0; int playerposX = levelsizeX / 2; int playerposY = levelsizeY / 2; int playersizeX = 20; int playersizeY = 20; int playerstep = 1; int playerrotation = 0; void setup(){ frameRate(30); size(levelsizeX,levelsizeY); fill(0); } void draw(){ println(playerrotation); background(255); text("You pressed Key "+keyCode+". "+"Now your player is positioned at:",10,30); text("X " + playerposX,10,50); text("Y " + playerposY,10,70); pushMatrix(); translate(playerposX,playerposY); rotate(radians(playerrotation)); rect(-playersizeX/2,-playersizeY/2,playersizeX,playersizeY); popMatrix(); move(); } void keyPressed() { playerKeyCode = keyCode; } void move() { switch(keyCode) { case 37: //Left playerposX = playerposX-playerstep; playerrotation = -45; break; case 38: //Up playerposY = playerposY-playerstep; playerrotation = 0; break; case 39: //Right playerposX = playerposX+playerstep; playerrotation = 45; break; case 40://Down playerposY = playerposY+playerstep; playerrotation = 180; } if ((playerposX-playersizeX) < 0) { playerposX= 0+playersizeX; text("Stop!",10,90); } if ((playerposX) > width-playersizeX) { playerposX=width-playersizeX; text("Stop!",10,90); } if ((playerposY) < 0) { playerposY=0; text("Stop!",10,90); } if ((playerposY) > height-playersizeY) { playerposY=height-playersizeY; text("Stop!",10,90); } }