Sha256: 86c1018ab8fd262e6cb9da65979461f72feafd316e68f4c2cd470539b3d2596a
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Versions: 11
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Stored size: 1.17 KB
Contents
package toxi.geom;
import toxi.math.MathUtils;
/**
*
* @author tux
*/
public class PlaneIntersector implements Intersector3D {
private Plane plane;
private final IsectData3D isec;
/**
*
* @param p
*/
public PlaneIntersector(Plane p) {
this.plane = p;
this.isec = new IsectData3D();
}
@Override
public IsectData3D getIntersectionData() {
return isec;
}
/**
* @return the box
*/
public Plane getPlane() {
return plane;
}
@Override
public boolean intersectsRay(Ray3D ray) {
float d = -plane.normal.dot(plane);
float numer = plane.normal.dot(ray) + d;
float denom = plane.normal.dot(ray.dir);
// normal is orthogonal to vector, can't intersect
if (isec.isIntersection = (MathUtils.abs(denom) >= MathUtils.EPS)) {
isec.dist = -(numer / denom);
isec.pos = ray.getPointAtDistance(isec.dist);
isec.normal = plane.normal;
}
return isec.isIntersection;
}
/**
* @param p
* the plane to set
*/
public void setPlane(Plane p) {
this.plane = p;
}
}
Version data entries
11 entries across 11 versions & 1 rubygems