Examples with Vector3f org.terasology.math.geom.Vector3f used on opensource projects

Example 36 with Vector3f

use of org.terasology.math.geom.Vector3f in project Terasology by MovingBlocks.

the class AABB method intersectRectangle.

public boolean intersectRectangle(Vector3f from, Vector3f direction) {
    Vector3f dirfrac = new Vector3f();
    dirfrac.x = 1.0f / direction.x;
    dirfrac.y = 1.0f / direction.y;
    dirfrac.z = 1.0f / direction.z;
    float t1 = (min.x - from.x) * dirfrac.x;
    float t2 = (max.x - from.x) * dirfrac.x;
    float t3 = (min.y - from.y) * dirfrac.y;
    float t4 = (max.y - from.y) * dirfrac.y;
    float t5 = (min.z - from.z) * dirfrac.z;
    float t6 = (max.z - from.z) * dirfrac.z;
    float tmin = Math.max(Math.max(Math.min(t1, t2), Math.min(t3, t4)), Math.min(t5, t6));
    float tmax = Math.min(Math.min(Math.max(t1, t2), Math.max(t3, t4)), Math.max(t5, t6));
    if (tmax < 0) {
        return false;
    }
    if (tmin > tmax) {
        return false;
    }
    return true;
}

Example 37 with Vector3f

use of org.terasology.math.geom.Vector3f in project Terasology by MovingBlocks.

the class AABB method getExtents.

/**
 * @return The distance from the center to the max node
 */
public Vector3f getExtents() {
    Vector3f dimensions = new Vector3f(max);
    dimensions.sub(min);
    dimensions.scale(HALVING_FACTOR);
    return dimensions;
}

Example 38 with Vector3f

use of org.terasology.math.geom.Vector3f in project Terasology by MovingBlocks.

the class Region3i method createFromCenterExtents.

/**
 * Create a region with center point and x,y,z coordinate extents size
 * @param center the center point of region
 * @param extents the extents size of each side of region
 * @return a new region base on the center point and extents size
 */
public static Region3i createFromCenterExtents(BaseVector3f center, BaseVector3f extents) {
    Vector3f min = new Vector3f(center.x() - extents.x(), center.y() - extents.y(), center.z() - extents.z());
    Vector3f max = new Vector3f(center.x() + extents.x(), center.y() + extents.y(), center.z() + extents.z());
    max.x = max.x - Math.ulp(max.x);
    max.y = max.y - Math.ulp(max.y);
    max.z = max.z - Math.ulp(max.z);
    return createFromMinMax(new Vector3i(min), new Vector3i(max));
}

Example 39 with Vector3f

use of org.terasology.math.geom.Vector3f in project Terasology by MovingBlocks.

the class Region3i method center.

/**
 * @return The position at the center of the region
 */
public Vector3f center() {
    Vector3f result = min.toVector3f();
    Vector3f halfSize = size.toVector3f();
    halfSize.scale(0.5f);
    result.add(halfSize);
    return result;
}

Example 40 with Vector3f

use of org.terasology.math.geom.Vector3f in project Terasology by MovingBlocks.

the class AABBRenderer method renderSolid.

public void renderSolid() {
    CoreRegistry.get(ShaderManager.class).enableDefault();
    glPushMatrix();
    Vector3f cameraPosition = CoreRegistry.get(LocalPlayer.class).getViewPosition();
    glTranslated(aabb.getCenter().x - cameraPosition.x, -cameraPosition.y, aabb.getCenter().z - cameraPosition.z);
    renderSolidLocally();
    glPopMatrix();
}