intersectsPlane method
Implementation
bool intersectsPlane(Plane plane) {
// We compute the minimum and maximum dot product values. If those values
// are on the same side (back or front) of the plane, then there is no intersection.
num min, max;
if (plane.normal.x > 0) {
min = plane.normal.x * this.min.x;
max = plane.normal.x * this.max.x;
} else {
min = plane.normal.x * this.max.x;
max = plane.normal.x * this.min.x;
}
if (plane.normal.y > 0) {
min += plane.normal.y * this.min.y;
max += plane.normal.y * this.max.y;
} else {
min += plane.normal.y * this.max.y;
max += plane.normal.y * this.min.y;
}
if (plane.normal.z > 0) {
min += plane.normal.z * this.min.z;
max += plane.normal.z * this.max.z;
} else {
min += plane.normal.z * this.max.z;
max += plane.normal.z * this.min.z;
}
return (min <= -plane.constant && max >= -plane.constant);
}