package org.newdawn.slick.state.transition;
import org.newdawn.slick.Color;
import org.newdawn.slick.GameContainer;
import org.newdawn.slick.Graphics;
import org.newdawn.slick.state.GameState;
import org.newdawn.slick.state.StateBasedGame;
/**
* A transition to fade in from a given colour
*
* @author kevin
*/
public class FadeInTransition implements Transition {
/** The color to fade to */
private Color color;
/** The time it takes to fade in */
private int fadeTime = 500;
/**
* Create a new fade in transition
*/
public FadeInTransition() {
this(Color.black, 500);
}
/**
* Create a new fade in transition
*
* @param color The color we're going to fade in from
*/
public FadeInTransition(Color color) {
this(color, 500);
}
/**
* Create a new fade in transition
*
* @param color The color we're going to fade in from
* @param fadeTime The time it takes for the fade to occur
*/
public FadeInTransition(Color color, int fadeTime) {
this.color = new Color(color);
this.color.a = 1;
this.fadeTime = fadeTime;
}
/**
* @see org.newdawn.slick.state.transition.Transition#isComplete()
*/
public boolean isComplete() {
return (color.a <= 0);
}
/**
* @see org.newdawn.slick.state.transition.Transition#postRender(org.newdawn.slick.state.StateBasedGame, org.newdawn.slick.GameContainer, org.newdawn.slick.Graphics)
*/
public void postRender(StateBasedGame game, GameContainer container, Graphics g) {
Color old = g.getColor();
g.setColor(color);
g.fillRect(0, 0, container.getWidth(), container.getHeight());
g.setColor(old);
}
/**
* @see org.newdawn.slick.state.transition.Transition#update(org.newdawn.slick.state.StateBasedGame, org.newdawn.slick.GameContainer, int)
*/
public void update(StateBasedGame game, GameContainer container, int delta) {
color.a -= delta * (1.0f / fadeTime);
if (color.a < 0) {
color.a = 0;
}
}
/**
* @see org.newdawn.slick.state.transition.Transition#preRender(org.newdawn.slick.state.StateBasedGame, org.newdawn.slick.GameContainer, org.newdawn.slick.Graphics)
*/
public void preRender(StateBasedGame game, GameContainer container, Graphics g) {
}
public void init(GameState firstState, GameState secondState) {
// TODO Auto-generated method stub
}
}