Examples of Initializer

Examples of tripleplay.particle.Initializer

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    /**
     * Returns an initializer that provides a random lifespan between {@code min} and {@code max}.
     */
    public static Initializer random (final Randoms rando, final float min, final float max) {
        return new Initializer() {
            @Override public void init (int index, float[] data, int start) {
                data[start+ParticleBuffer.LIFESPAN] = rando.getInRange(min, max);
            }
        };
    }
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Examples of tripleplay.particle.Initializer

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    /**
     * Returns an initializer that increments the previously assigned velocity by the specified
     * amounts.
     */
    public static Initializer increment (final float dx, final float dy) {
        return new Initializer() {
            @Override public void init (int index, float[] data, int start) {
                float scale = graphics().ctx().scale.factor;
                data[start + ParticleBuffer.VEL_X] += dx * scale;
                data[start + ParticleBuffer.VEL_Y] += dy * scale;
            }
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Examples of tripleplay.particle.Initializer

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    /**
     * Returns an initializer that initializes the particle's color to the supplied constant value.
     */
    public static Initializer constant (final float r, final float g, final float b, final float a) {
        return new Initializer() {
            @Override public void init (int index, float[] data, int start) {
                data[start+ParticleBuffer.ALPHA_RED]  = playn.core.Color.encode(a, r);
                data[start+ParticleBuffer.GREEN_BLUE] = playn.core.Color.encode(g, b);
            }
        };
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