PixelWindEffect.java

package loon.action.sprite.effect;

import loon.LSystem;
import loon.canvas.LColor;
import loon.opengl.GLEx;
import loon.utils.MathUtils;

public class PixelWindEffect extends PixelBaseEffect{

	private int rand;

	private TriangleEffect[] sd;

	private LColor[] colors;

	public PixelWindEffect(LColor color) {
		this(color, 32, 32, 64);
	}

	public PixelWindEffect(LColor color, int s, int r, int time) {
		super(color, 0, 0, LSystem.viewSize.getWidth(), LSystem.viewSize
				.getHeight());
		this.rand = r;
		this.limit = 160;
		this.sd = new TriangleEffect[s];
		this.colors = new LColor[s];
		this.triangleEffects.add(sd);
		setDelay(0);
		setEffectDelay(0);
	}

	@Override
	public void draw(GLEx g, float tx, float ty) {
		if (super.completed) {
			return;
		}
		if (super.frame > limit) {
			super.completed = true;
		}
		int tmp = g.color();
		g.setColor(_baseColor);
		for (int i = 0; i < sd.length; i++) {
			if (sd[i] != null) {
				continue;
			}
			if (MathUtils.random(100) >= rand) {
				break;
			}
			float[][] res = { { 0.0f, 10f }, { 8f, -5f }, { -8f, -5f } };
			int index = MathUtils.random(3) + 1;
			for (int j = 0; j < res.length; j++) {
				for (int c = 0; c < res[j].length; c++) {
					res[j][c] *= index;
				}
			}
			int x = MathUtils.random(32) + 16;
			float y = x / 10;
			sd[i] = new TriangleEffect(res, x, y, MathUtils.random(24) + 24);
			sd[i].setPosY(MathUtils.random(_height));
			sd[i].setPosX(0f);
			colors[i] = new LColor(_baseColor.getRed(),
					(int) (_baseColor.g * (128 + MathUtils.random(128))),
					(int) (_baseColor.b * MathUtils.random(128)));
		}

		for (int j = 0; j < sd.length; j++) {
			if (colors[j] == null) {
				continue;
			}
			g.setColor(colors[j]);
			if (sd[j] == null) {
				continue;
			}
			sd[j].drawPaint(g, 0, 0);
			if (sd[j].getPosX() > _width || sd[j].getPosY() > _height) {
				sd[j] = null;
			}
		}

		g.setColor(tmp);
	}

}