Java Code Examples for com.jme3.math.FastMath#pow()

The following examples show how to use com.jme3.math.FastMath#pow() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: LeaderFollowingBehavior.java    From MonkeyBrains with BSD 3-Clause "New" or "Revised" License 5 votes vote down vote up 
/**
 * Calculates the factor in order to change the focus
 */
private float calculateFocusFactor(float distanceFromFocus) {
    float factor;

    if (distanceFromFocus > this.distanceToChangeFocus) {
        factor = 1;
    } else {
        factor = FastMath.pow((1 + distanceFromFocus / this.distanceToChangeFocus), 2);
    }

    return factor;
}
Example 2
Source File: CubeField.java    From jmonkeyengine with BSD 3-Clause "New" or "Revised" License 5 votes vote down vote up 
/**
 * Forcefully takes over Camera adding functionality and placing it behind the character
 * @param tpf Tickes Per Frame
 */
private void camTakeOver(float tpf) {
    cam.setLocation(player.getLocalTranslation().add(-8, 2, 0));
    cam.lookAt(player.getLocalTranslation(), Vector3f.UNIT_Y);
    
    Quaternion rot = new Quaternion();
    rot.fromAngleNormalAxis(camAngle, Vector3f.UNIT_Z);
    cam.setRotation(cam.getRotation().mult(rot));
    camAngle *= FastMath.pow(.99f, fpsRate * tpf);
}
Example 3
Source File: PssmShadowUtil.java    From jmonkeyengine with BSD 3-Clause "New" or "Revised" License 5 votes vote down vote up 
/**
 * Updates the frustum splits stores in <code>splits</code> using PSSM.
 */
public static void updateFrustumSplits(float[] splits, float near, float far, float lambda) {
    for (int i = 0; i < splits.length; i++) {
        float IDM = i / (float) splits.length;
        float log = near * FastMath.pow((far / near), IDM);
        float uniform = near + (far - near) * IDM;
        splits[i] = log * lambda + uniform * (1.0f - lambda);
    }

    // This is used to improve the correctness of the calculations. Our main near- and farplane
    // of the camera always stay the same, no matter what happens.
    splits[0] = near;
    splits[splits.length - 1] = far;
}
Example 4
Source File: BinaryExporter.java    From jmonkeyengine with BSD 3-Clause "New" or "Revised" License 5 votes vote down vote up 
protected byte[] generateTag() {
    int width = ((int) FastMath.log(aliasCount, 256) + 1);
    int count = aliasCount;
    aliasCount++;
    byte[] bytes = new byte[width];
    for (int x = width - 1; x >= 0; x--) {
        int pow = (int) FastMath.pow(256, x);
        int factor = count / pow;
        bytes[width - x - 1] = (byte) factor;
        count %= pow;
    }
    return bytes;
}
Example 5
Source File: PssmShadowUtil.java    From MikuMikuStudio with BSD 2-Clause "Simplified" License 5 votes vote down vote up 
/**
 * Updates the frustum splits stores in <code>splits</code> using PSSM.
 */
public static void updateFrustumSplits(float[] splits, float near, float far, float lambda) {
    for (int i = 0; i < splits.length; i++) {
        float IDM = i / (float) splits.length;
        float log = near * FastMath.pow((far / near), IDM);
        float uniform = near + (far - near) * IDM;
        splits[i] = log * lambda + uniform * (1.0f - lambda);
    }

    // This is used to improve the correctness of the calculations. Our main near- and farplane
    // of the camera always stay the same, no matter what happens.
    splits[0] = near;
    splits[splits.length - 1] = far;
}
Example 6
Source File: CubeField.java    From MikuMikuStudio with BSD 2-Clause "Simplified" License 5 votes vote down vote up 
/**
 * Forcefully takes over Camera adding functionality and placing it behind the character
 * @param tpf Tickes Per Frame
 */
private void camTakeOver(float tpf) {
    cam.setLocation(player.getLocalTranslation().add(-8, 2, 0));
    cam.lookAt(player.getLocalTranslation(), Vector3f.UNIT_Y);
    
    Quaternion rot = new Quaternion();
    rot.fromAngleNormalAxis(camAngle, Vector3f.UNIT_Z);
    cam.setRotation(cam.getRotation().mult(rot));
    camAngle *= FastMath.pow(.99f, fpsRate * tpf);
}
Example 7
Source File: BinaryExporter.java    From MikuMikuStudio with BSD 2-Clause "Simplified" License 5 votes vote down vote up 
protected byte[] generateTag() {
    int width = ((int) FastMath.log(aliasCount, 256) + 1);
    int count = aliasCount;
    aliasCount++;
    byte[] bytes = new byte[width];
    for (int x = width - 1; x >= 0; x--) {
        int pow = (int) FastMath.pow(256, x);
        int factor = count / pow;
        bytes[width - x - 1] = (byte) factor;
        count %= pow;
    }
    return bytes;
}
Example 8
Source File: Environment.java    From jmonkeyengine with BSD 3-Clause "New" or "Revised" License 4 votes vote down vote up 
private static float eaxDbToAmp(float eaxDb){
    float dB = eaxDb / 2000f;
    return FastMath.pow(10f, dB);
}
Example 9
Source File: Environment.java    From MikuMikuStudio with BSD 2-Clause "Simplified" License 4 votes vote down vote up 
private static final float eaxDbToAmp(float eaxDb){
    float dB = eaxDb / 2000f;
    return FastMath.pow(10f, dB);
}