41 lines
1.0 KiB
Java
41 lines
1.0 KiB
Java
|
package renderSuite;
|
||
|
|
|
||
|
|
import java.lang.Math;
|
||
|
|
import renderSuite.Vec3;
|
||
|
|
|
||
|
|
public class Ray {
|
||
|
|
// position, facing
|
||
|
|
Vec3 p, f;
|
||
|
|
|
||
|
|
public Ray(Vec3 position, Vec3 facing) {
|
||
|
|
this.p = position;
|
||
|
|
this.f = facing;
|
||
|
|
}
|
||
|
|
|
||
|
|
public void main() {}
|
||
|
|
|
||
|
|
public void rotate(char axis, double angle) {
|
||
|
|
if (axis == 'x') {
|
||
|
|
this.f = new Vec3(this.f.x,
|
||
|
|
this.f.y*Math.cos(angle) - this.f.z*Math.sin(angle),
|
||
|
|
this.f.y*Math.sin(angle) + this.f.z*Math.cos(angle));
|
||
|
|
} else if (axis == 'y') {
|
||
|
|
this.f = new Vec3(this.f.x*Math.cos(angle) + this.f.z*Math.sin(angle),
|
||
|
|
this.f.y,
|
||
|
|
this.f.z*Math.cos(angle) - this.f.x*Math.sin(angle));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
public void move(Vec3 mv) {
|
||
|
|
this.p.x += mv.x;
|
||
|
|
this.p.y += mv.y;
|
||
|
|
this.p.z += mv.z;
|
||
|
|
}
|
||
|
|
|
||
|
|
public void step(double l) {
|
||
|
|
this.p.x += this.f.x * l;
|
||
|
|
this.p.y += this.f.y * l;
|
||
|
|
this.p.z += this.f.z * l;
|
||
|
|
}
|
||
|
|
}
|