enibdevlab.dwarves.controllers.actions.animations.BetterColorAction.java Source code

Introduction

Here is the source code for enibdevlab.dwarves.controllers.actions.animations.BetterColorAction.java

Source

/*******************************************************************************
 * Copyright 2011 See AUTHORS file.
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 ******************************************************************************/

package enibdevlab.dwarves.controllers.actions.animations;

import com.badlogic.gdx.graphics.Color;
import com.badlogic.gdx.scenes.scene2d.actions.TemporalAction;

/** Sets the actor's color (or a specified color), from the current to the new color. Note this action transitions from the color
 * at the time the action starts to the specified color.
 * @author Nathan Sweet */
public class BetterColorAction extends TemporalAction {

    private float startR, startG, startB, startA;
    private Color end = new Color();

    public BetterColorAction(Color endColor, float duration) {
        super(duration);
        end = endColor;
    }

    protected void begin() {
        Color color = actor.getColor();
        startR = color.r;
        startG = color.g;
        startB = color.b;
        startA = color.a;
    }

    protected void update(float percent) {
        float r = startR + (end.r - startR) * percent;
        float g = startG + (end.g - startG) * percent;
        float b = startB + (end.b - startB) * percent;
        float a = startA + (end.a - startA) * percent;
        Color color = actor.getColor();
        color.set(r, g, b, a);
    }

    public void reset() {
        super.reset();
    }

    public Color getEndColor() {
        return end;
    }

    /** Sets the color to transition to. Required. */
    public void setEndColor(Color color) {
        end.set(color);
    }
}