Examples with Vector3f com.jme3.math.Vector3f used on opensource projects

Example 61 with Vector3f

use of com.jme3.math.Vector3f in project jmonkeyengine by jMonkeyEngine.

the class SpotLight method intersectsSphere.

@Override
public boolean intersectsSphere(BoundingSphere sphere, TempVars vars) {
    if (this.spotRange > 0f) {
        // Sphere v. sphere collision
        if (!Intersection.intersect(sphere, position, spotRange)) {
            return false;
        }
    }
    float otherRadiusSquared = FastMath.sqr(sphere.getRadius());
    float otherRadius = sphere.getRadius();
    // Check if sphere is within spot angle.
    // Cone v. sphere collision.
    Vector3f E = direction.mult(otherRadius * outerAngleSinRcp, vars.vect1);
    Vector3f U = position.subtract(E, vars.vect2);
    Vector3f D = sphere.getCenter().subtract(U, vars.vect3);
    float dsqr = D.dot(D);
    float e = direction.dot(D);
    if (e > 0f && e * e >= dsqr * outerAngleCosSqr) {
        D = sphere.getCenter().subtract(position, vars.vect3);
        dsqr = D.dot(D);
        e = -direction.dot(D);
        if (e > 0f && e * e >= dsqr * outerAngleSinSqr) {
            return dsqr <= otherRadiusSquared;
        } else {
            return true;
        }
    }
    return false;
}

Example 62 with Vector3f

use of com.jme3.math.Vector3f in project jmonkeyengine by jMonkeyEngine.

the class MatParam method getValueAsString.

/**
     * Returns the material parameter value as it would appear in a J3M
     * file. E.g.<br/>
     * <code>
     * MaterialParameters {<br/>
     *     ABC : 1 2 3 4<br/>
     * }<br/>
     * </code>
     * Assuming "ABC" is a Vector4 parameter, then the value
     * "1 2 3 4" would be returned by this method.
     * <br/><br/>
     * @return material parameter value as it would appear in a J3M file.
     */
public String getValueAsString() {
    switch(type) {
        case Boolean:
        case Float:
        case Int:
            return value.toString();
        case Vector2:
            Vector2f v2 = (Vector2f) value;
            return v2.getX() + " " + v2.getY();
        /* 
This may get used at a later point of time
When arrays can be inserted in J3M files

            case Vector2Array:
                Vector2f[] v2Arr = (Vector2f[]) value;
                String v2str = "";
                for (int i = 0; i < v2Arr.length ; i++) {
                    v2str += v2Arr[i].getX() + " " + v2Arr[i].getY() + "\n";
                }
                return v2str;
*/
        case Vector3:
            Vector3f v3 = (Vector3f) value;
            return v3.getX() + " " + v3.getY() + " " + v3.getZ();
        /*
            case Vector3Array:
                Vector3f[] v3Arr = (Vector3f[]) value;
                String v3str = "";
                for (int i = 0; i < v3Arr.length ; i++) {
                    v3str += v3Arr[i].getX() + " "
                            + v3Arr[i].getY() + " "
                            + v3Arr[i].getZ() + "\n";
                }
                return v3str;
            case Vector4Array:
                // can be either ColorRGBA, Vector4f or Quaternion
                if (value instanceof Vector4f) {
                    Vector4f[] v4arr = (Vector4f[]) value;
                    String v4str = "";
                    for (int i = 0; i < v4arr.length ; i++) {
                        v4str += v4arr[i].getX() + " "
                                + v4arr[i].getY() + " "
                                + v4arr[i].getZ() + " "
                                + v4arr[i].getW() + "\n";
                    }
                    return v4str;
                } else if (value instanceof ColorRGBA) {
                    ColorRGBA[] colorArr = (ColorRGBA[]) value;
                    String colStr = "";
                    for (int i = 0; i < colorArr.length ; i++) {
                        colStr += colorArr[i].getRed() + " "
                                + colorArr[i].getGreen() + " "
                                + colorArr[i].getBlue() + " "
                                + colorArr[i].getAlpha() + "\n";
                    }
                    return colStr;
                } else if (value instanceof Quaternion) {
                    Quaternion[] quatArr = (Quaternion[]) value;
                    String quatStr = "";
                    for (int i = 0; i < quatArr.length ; i++) {
                        quatStr += quatArr[i].getX() + " "
                                + quatArr[i].getY() + " "
                                + quatArr[i].getZ() + " "
                                + quatArr[i].getW() + "\n";
                    }
                    return quatStr;
                } else {
                    throw new UnsupportedOperationException("Unexpected Vector4Array type: " + value);
                }
*/
        case Vector4:
            // can be either ColorRGBA, Vector4f or Quaternion
            if (value instanceof Vector4f) {
                Vector4f v4 = (Vector4f) value;
                return v4.getX() + " " + v4.getY() + " " + v4.getZ() + " " + v4.getW();
            } else if (value instanceof ColorRGBA) {
                ColorRGBA color = (ColorRGBA) value;
                return color.getRed() + " " + color.getGreen() + " " + color.getBlue() + " " + color.getAlpha();
            } else if (value instanceof Quaternion) {
                Quaternion quat = (Quaternion) value;
                return quat.getX() + " " + quat.getY() + " " + quat.getZ() + " " + quat.getW();
            } else {
                throw new UnsupportedOperationException("Unexpected Vector4 type: " + value);
            }
        case Texture2D:
        case Texture3D:
        case TextureArray:
        case TextureBuffer:
        case TextureCubeMap:
            Texture texVal = (Texture) value;
            TextureKey texKey = (TextureKey) texVal.getKey();
            if (texKey == null) {
                // often does as well, even implicitly. 
                return texVal + ":returned null key";
            }
            String ret = "";
            if (texKey.isFlipY()) {
                ret += "Flip ";
            }
            //Wrap mode
            ret += getWrapMode(texVal, Texture.WrapAxis.S);
            ret += getWrapMode(texVal, Texture.WrapAxis.T);
            ret += getWrapMode(texVal, Texture.WrapAxis.R);
            //Min and Mag filter
            Texture.MinFilter def = Texture.MinFilter.BilinearNoMipMaps;
            if (texVal.getImage().hasMipmaps() || texKey.isGenerateMips()) {
                def = Texture.MinFilter.Trilinear;
            }
            if (texVal.getMinFilter() != def) {
                ret += "Min" + texVal.getMinFilter().name() + " ";
            }
            if (texVal.getMagFilter() != Texture.MagFilter.Bilinear) {
                ret += "Mag" + texVal.getMagFilter().name() + " ";
            }
            return ret + "\"" + texKey.getName() + "\"";
        default:
            // parameter type not supported in J3M
            return null;
    }
}

Example 63 with Vector3f

use of com.jme3.math.Vector3f in project jmonkeyengine by jMonkeyEngine.

the class BIHTree method sortTriangles.

private int sortTriangles(int l, int r, float split, int axis) {
    int pivot = l;
    int j = r;
    TempVars vars = TempVars.get();
    Vector3f v1 = vars.vect1, v2 = vars.vect2, v3 = vars.vect3;
    while (pivot <= j) {
        getTriangle(pivot, v1, v2, v3);
        v1.addLocal(v2).addLocal(v3).multLocal(FastMath.ONE_THIRD);
        if (v1.get(axis) > split) {
            swapTriangles(pivot, j);
            --j;
        } else {
            ++pivot;
        }
    }
    vars.release();
    pivot = (pivot == l && j < pivot) ? j : pivot;
    return pivot;
}

Example 64 with Vector3f

use of com.jme3.math.Vector3f in project jmonkeyengine by jMonkeyEngine.

the class BIHTree method setMinMax.

private void setMinMax(BoundingBox bbox, boolean doMin, int axis, float value) {
    Vector3f min = bbox.getMin(null);
    Vector3f max = bbox.getMax(null);
    if (doMin) {
        min.set(axis, value);
    } else {
        max.set(axis, value);
    }
    bbox.setMinMax(min, max);
}

Example 65 with Vector3f

use of com.jme3.math.Vector3f in project jmonkeyengine by jMonkeyEngine.

the class BIHTriangle method getNormal.

public Vector3f getNormal() {
    Vector3f normal = new Vector3f(pointb);
    normal.subtractLocal(pointa).crossLocal(pointc.x - pointa.x, pointc.y - pointa.y, pointc.z - pointa.z);
    normal.normalizeLocal();
    return normal;
}