Engine.BoundingBox.java Source code

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Here is the source code for Engine.BoundingBox.java

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/*
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package Engine;

import java.awt.Color;
import org.apache.commons.math3.geometry.euclidean.threed.Vector3D;

/**
 *
 * @author STUDENT
 */
public class BoundingBox {
    public Vector3D bottomLeftFront = null;
    public Vector3D topRightBack = null;

    public BoundingBox(Vector3D bottomLeftFront, Vector3D topRightBack) {
        this.bottomLeftFront = bottomLeftFront;
        this.topRightBack = topRightBack;
    }

    public BoundingBox(double x, double y, double z, double x1, double y1, double z1, boolean useDiagonals) {
        if (useDiagonals) {
            double sideXLen = x1 - x;
            double sideYLen = y1 - y;
            double halfDiagonal = Math.sqrt((sideXLen * sideXLen) + (sideYLen * sideYLen)) / 2;
            double centerX = x + (sideXLen / 2.0);
            double centerY = y + (sideYLen / 2.0);
            this.bottomLeftFront = new Vector3D(centerX - halfDiagonal, centerY - halfDiagonal, z);
            this.topRightBack = new Vector3D(centerX + halfDiagonal, centerY + halfDiagonal, z1);
        } else {
            this.bottomLeftFront = new Vector3D(x, y, z);
            this.topRightBack = new Vector3D(x1, y1, z1);
        }
    }

    private boolean CollideAABBHelper(double x, double y, double z) {
        if (this.bottomLeftFront.getX() <= x && this.topRightBack.getX() >= x && this.bottomLeftFront.getY() <= y
                && this.topRightBack.getY() >= y && this.bottomLeftFront.getZ() <= z
                && this.topRightBack.getZ() >= z) {
            return true;
        }
        return false;
    }

    public boolean CollideAABB(BoundingBox boundingBox) {
        if (CollideAABBHelper(boundingBox.bottomLeftFront.getX(), boundingBox.bottomLeftFront.getY(),
                boundingBox.bottomLeftFront.getZ()))
            return true;
        if (CollideAABBHelper(boundingBox.bottomLeftFront.getX(), boundingBox.bottomLeftFront.getY(),
                boundingBox.topRightBack.getZ()))
            return true;
        if (CollideAABBHelper(boundingBox.bottomLeftFront.getX(), boundingBox.topRightBack.getY(),
                boundingBox.bottomLeftFront.getZ()))
            return true;
        if (CollideAABBHelper(boundingBox.bottomLeftFront.getX(), boundingBox.topRightBack.getY(),
                boundingBox.topRightBack.getZ()))
            return true;
        if (CollideAABBHelper(boundingBox.topRightBack.getX(), boundingBox.bottomLeftFront.getY(),
                boundingBox.bottomLeftFront.getZ()))
            return true;
        if (CollideAABBHelper(boundingBox.topRightBack.getX(), boundingBox.bottomLeftFront.getY(),
                boundingBox.topRightBack.getZ()))
            return true;
        if (CollideAABBHelper(boundingBox.topRightBack.getX(), boundingBox.topRightBack.getY(),
                boundingBox.bottomLeftFront.getZ()))
            return true;
        if (CollideAABBHelper(boundingBox.topRightBack.getX(), boundingBox.topRightBack.getY(),
                boundingBox.topRightBack.getZ()))
            return true;
        return false;
    }

    private boolean CollideAABB2DHelper(double x, double y) {
        if (this.bottomLeftFront.getX() <= x && this.topRightBack.getX() >= x && this.bottomLeftFront.getY() <= y
                && this.topRightBack.getY() >= y) {
            return true;
        }
        return false;
    }

    public boolean CollideAABB2D(BoundingBox boundingBox) {
        if (CollideAABB2DHelper(boundingBox.bottomLeftFront.getX(), boundingBox.bottomLeftFront.getY()))
            return true;
        if (CollideAABB2DHelper(boundingBox.bottomLeftFront.getX(), boundingBox.topRightBack.getY()))
            return true;
        if (CollideAABB2DHelper(boundingBox.topRightBack.getX(), boundingBox.bottomLeftFront.getY()))
            return true;
        if (CollideAABB2DHelper(boundingBox.topRightBack.getX(), boundingBox.topRightBack.getY()))
            return true;

        return false;
    }
}