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|
private int w = 1024;
private int h = 768;
private int scl = 50;
private int cols = w/scl;
private int rows = h/scl;
private Point3D[] p = new Point3D[5];
private Point3D[] pnew = new Point3D[5];
private Point projection = null;
int angle = 0;
double angle_x = 0.001;
double angle_y = 0.001;
double angle_z = 0.001;
double px,py,pz;
public Terrain() {
addKeyListener(new KeyInput());
setFocusable(true);
requestFocus();
initTerrain();
}
private void initTerrain() {
p[0] = new Point3D(0,0,0);
p[1] = new Point3D(-scl,-scl,0);
p[2] = new Point3D(scl,-scl,0);
p[3] = new Point3D(scl,scl,0);
p[4] = new Point3D(-scl,scl,0);
for(int k = 1;k<p.length;k++) {
pnew[k] = new Point3D(p[k].x,p[k].y,p[k].z);
}
projection = new Point(0,0);
}
public void paintComponent(Graphics g) {
super.paintComponents(g);
g.clearRect(0, 0, getWidth(), getHeight());
g.translate(getWidth()/2, getHeight()/2);
if(KeyInput.right) {
angle_x+=Math.PI/3;
for(int k = 1;k<p.length;k++) {
px = pnew[k].x;
py = pnew[k].y;
pz = pnew[k].z;
pnew[k].y = (py*Math.cos(angle_x)-pz*Math.sin(angle_x));
pnew[k].z = (py*Math.sin(angle_x)+pz*Math.cos(angle_x));
//Projectionspunkte berechnen
projection.x = (int)(((pnew[k].x*getWidth()/2)/pnew[k].z)+getWidth()/2)/1000;
projection.y = (int)(((pnew[k].y*getHeight()/2)/pnew[k].z)+getHeight()/2)/1000;
System.out.println(projection.x);
}
}
if(KeyInput.left) {
angle_y+=0.001;
for(int k = 1;k<p.length;k++) {
px = pnew[k].x;
py = pnew[k].y;
pz = pnew[k].z;
pnew[k].x = px*Math.cos(angle_y)+pz*Math.sin(angle_y);
pnew[k].z =-px*Math.sin(angle_y)+pz*Math.cos(angle_y);
}
}
if(KeyInput.up) {
angle_z+=0.001;
for(int k = 1;k<p.length;k++) {
px = pnew[k].x;
py = pnew[k].y;
pz = pnew[k].z;
pnew[k].x = px*Math.cos(angle_z)-py*Math.sin(angle_z);
pnew[k].y = py*Math.cos(angle_z)+px*Math.sin(angle_z);
}
}
for(int y = 0;y<1;y++) {
for(int x = 0;x<1;x++) {
g.drawLine((int)(pnew[1].x+(x*scl))+projection.x,(int)(pnew[1].y+(y*scl))+projection.y,(int)(pnew[2].x+(x*scl))+projection.x,(int)(pnew[2].y+(y*scl))+projection.y);
g.drawLine((int)(pnew[2].x+(x*scl))+projection.x,(int)(pnew[2].y+(y*scl))+projection.y,(int)(pnew[3].x+(x*scl))+projection.x,(int)(pnew[3].y+(y*scl))+projection.y);
g.drawLine((int)(pnew[3].x+(x*scl))+projection.x,(int)(pnew[3].y+(y*scl))+projection.y,(int)(pnew[4].x+(x*scl))+projection.x,(int)(pnew[4].y+(y*scl))+projection.y);
g.drawLine((int)(pnew[4].x+(x*scl))+projection.x,(int)(pnew[4].y+(y*scl))+projection.y,(int)(pnew[1].x+(x*scl))+projection.x,(int)(pnew[1].y+(y*scl))+projection.y);
}
}
// g.drawLine((int)(pnew[1].x),(int)(pnew[1].y),(int)(pnew[2].x),(int)(pnew[2].y));
// g.drawLine((int)(pnew[2].x),(int)(pnew[2].y),(int)(pnew[3].x),(int)(pnew[3].y));
// g.drawLine((int)(pnew[3].x),(int)(pnew[3].y),(int)(pnew[4].x),(int)(pnew[4].y));
// g.drawLine((int)(pnew[4].x),(int)(pnew[4].y),(int)(pnew[1].x),(int)(pnew[1].y));
//
// g.drawLine((int)(pnew[5].x),(int)(pnew[5].y),(int)(pnew[6].x),(int)(pnew[6].y));
// g.drawLine((int)(pnew[6].x),(int)(pnew[6].y),(int)(pnew[7].x),(int)(pnew[7].y));
// g.drawLine((int)(pnew[7].x),(int)(pnew[7].y),(int)(pnew[8].x),(int)(pnew[8].y));
// g.drawLine((int)(pnew[8].x),(int)(pnew[8].y),(int)(pnew[5].x),(int)(pnew[5].y));
//
// g.drawLine((int)(pnew[1].x),(int)(pnew[1].y),(int)(pnew[5].x),(int)(pnew[5].y));
// g.drawLine((int)(pnew[2].x),(int)(pnew[2].y),(int)(pnew[6].x),(int)(pnew[6].y));
// g.drawLine((int)(pnew[3].x),(int)(pnew[3].y),(int)(pnew[7].x),(int)(pnew[7].y));
// g.drawLine((int)(pnew[4].x),(int)(pnew[4].y),(int)(pnew[8].x),(int)(pnew[8].y));
try {
Thread.sleep(100);
} catch (InterruptedException e) {e.printStackTrace();}
//repaint();
}
public static void main(String[] args) {
JFrame window = new JFrame();
window.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
window.setSize(1024,768);
window.add(new Terrain());
window.setLocationRelativeTo(null);
window.setVisible(true);
}
h |
