Examples with Direction com.jme3.terrain.geomipmap.picking.BresenhamYUpGridTracer.Direction used on opensource projects

Example 26 with Direction

use of com.jme3.terrain.geomipmap.picking.BresenhamYUpGridTracer.Direction in project jmonkeyengine by jMonkeyEngine.

the class SpotLight method intersectsFrustum.

@Override
public boolean intersectsFrustum(Camera cam, TempVars vars) {
    if (spotRange == 0) {
        // The algorithm below does not support infinite spot range.
        return true;
    }
    Vector3f farPoint = vars.vect1.set(position).addLocal(vars.vect2.set(direction).multLocal(spotRange));
    for (int i = 5; i >= 0; i--) {
        //check origin against the plane
        Plane plane = cam.getWorldPlane(i);
        float dot = plane.pseudoDistance(position);
        if (dot < 0) {
            // outside, check the far point against the plane   
            dot = plane.pseudoDistance(farPoint);
            if (dot < 0) {
                // outside, check the projection of the far point along the normal of the plane to the base disc perimeter of the cone
                //computing the radius of the base disc
                float farRadius = (spotRange / outerAngleCos) * outerAngleSin;
                //computing the projection direction : perpendicular to the light direction and coplanar with the direction vector and the normal vector
                Vector3f perpDirection = vars.vect2.set(direction).crossLocal(plane.getNormal()).normalizeLocal().crossLocal(direction);
                //projecting the far point on the base disc perimeter
                Vector3f projectedPoint = vars.vect3.set(farPoint).addLocal(perpDirection.multLocal(farRadius));
                //checking against the plane
                dot = plane.pseudoDistance(projectedPoint);
                if (dot < 0) {
                    // Outside, the light can be culled
                    return false;
                }
            }
        }
    }
    return true;
}

Example 27 with Direction

use of com.jme3.terrain.geomipmap.picking.BresenhamYUpGridTracer.Direction in project jmonkeyengine by jMonkeyEngine.

the class SpotLight method read.

@Override
public void read(JmeImporter im) throws IOException {
    super.read(im);
    InputCapsule ic = im.getCapsule(this);
    spotInnerAngle = ic.readFloat("spotInnerAngle", FastMath.QUARTER_PI / 8);
    spotOuterAngle = ic.readFloat("spotOuterAngle", FastMath.QUARTER_PI / 6);
    computeAngleParameters();
    direction = (Vector3f) ic.readSavable("direction", new Vector3f());
    position = (Vector3f) ic.readSavable("position", new Vector3f());
    spotRange = ic.readFloat("spotRange", 100);
    if (spotRange != 0) {
        this.invSpotRange = 1 / spotRange;
    } else {
        this.invSpotRange = 0;
    }
}

Example 28 with Direction

use of com.jme3.terrain.geomipmap.picking.BresenhamYUpGridTracer.Direction in project jmonkeyengine by jMonkeyEngine.

the class CubeMapWrapper method getPixel.

/**
     * 
     * Reads a pixel from the cube map given the coordinate vector
     * @param vector the direction vector to fetch the texel
     * @param mipLevel the mip level to read from
     * @param store the color in which to store the pixel color read.
     * @return the color of the pixel read.
     */
public ColorRGBA getPixel(Vector3f vector, int mipLevel, ColorRGBA store) {
    if (mipMapRaster == null) {
        throw new IllegalArgumentException("This cube map has no mip maps");
    }
    if (store == null) {
        store = new ColorRGBA();
    }
    int face = EnvMapUtils.getCubemapFaceTexCoordFromVector(vector, sizes[mipLevel], uvs, EnvMapUtils.FixSeamsMethod.Stretch);
    mipMapRaster.setSlice(face);
    mipMapRaster.setMipLevel(mipLevel);
    return mipMapRaster.getPixel((int) uvs.x, (int) uvs.y, store);
}

Example 29 with Direction

use of com.jme3.terrain.geomipmap.picking.BresenhamYUpGridTracer.Direction in project jmonkeyengine by jMonkeyEngine.

the class DirectionalLight method read.

@Override
public void read(JmeImporter im) throws IOException {
    super.read(im);
    InputCapsule ic = im.getCapsule(this);
    direction = (Vector3f) ic.readSavable("direction", null);
}

Example 30 with Direction

use of com.jme3.terrain.geomipmap.picking.BresenhamYUpGridTracer.Direction in project jmonkeyengine by jMonkeyEngine.

the class VehicleWheel method read.

@Override
public void read(JmeImporter im) throws IOException {
    InputCapsule capsule = im.getCapsule(this);
    wheelSpatial = (Spatial) capsule.readSavable("wheelSpatial", null);
    frontWheel = capsule.readBoolean("frontWheel", false);
    location = (Vector3f) capsule.readSavable("wheelLocation", new Vector3f());
    direction = (Vector3f) capsule.readSavable("wheelDirection", new Vector3f());
    axle = (Vector3f) capsule.readSavable("wheelAxle", new Vector3f());
    suspensionStiffness = capsule.readFloat("suspensionStiffness", 20.0f);
    wheelsDampingRelaxation = capsule.readFloat("wheelsDampingRelaxation", 2.3f);
    wheelsDampingCompression = capsule.readFloat("wheelsDampingCompression", 4.4f);
    frictionSlip = capsule.readFloat("frictionSlip", 10.5f);
    rollInfluence = capsule.readFloat("rollInfluence", 1.0f);
    maxSuspensionTravelCm = capsule.readFloat("maxSuspensionTravelCm", 500f);
    maxSuspensionForce = capsule.readFloat("maxSuspensionForce", 6000f);
    radius = capsule.readFloat("wheelRadius", 0.5f);
    restLength = capsule.readFloat("restLength", 1f);
}