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package aufgaben.blatt2;
import java.util.Date;
public class Objekt {
private float x, y, dir, v;
private long time;
public Objekt(int x, int y) {
this.x = x;
this.y = y;
}
public void setX(int x) {
this.x = x;
}
public void setY(int y) {
this.y = y;
}
public void setMovement(float degrees, float v) {
this.dir = degrees;
this.v = v;
this.time = System.nanoTime();
}
public void update() {
long delta = getDelta();
float change = (float) (delta/1e9);
if(dir == 0 || dir == 360) {
x += change * v;
} else if(dir >= 0 && dir < 90) {
x += change * v;
y -= Math.tan(Math.toRadians(dir)) * change * v;
} else if(dir >= 90 && dir < 180) {
x -= Math.tan(Math.toRadians(dir-90)) * change * v;
y -= change * v;
} else if(dir >= 180 && dir < 270) {
x -= change * v;
y += Math.tan(Math.toRadians(dir-180)) * change * v;
} else if(dir >= 270 && dir < 360) {
x += Math.tan(Math.toRadians(dir-270)) * change * v;
y += change * v;
} else {
System.out.println("Invalid angle! (float, 0<=angle<=360)");
}
System.out.println("X = " + x + ", Y = " + y + ", fps = " + delta/1e9);
}
public int getX() {
return Math.round(x);
}
public int getY() {
return Math.round(y);
}
public long getDelta() {
long old = time;
time = System.nanoTime();
return time-old;
}
}
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