com.talosvfx.talos.runtime.render.drawables.TextureRegionDrawable Maven / Gradle / Ivy

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Talos runtime for use in LibGDX projects

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/*******************************************************************************
 * Copyright 2019 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 com.talosvfx.talos.runtime.render.drawables;

import com.badlogic.gdx.graphics.Color;
import com.badlogic.gdx.graphics.g2d.Batch;
import com.badlogic.gdx.graphics.g2d.Sprite;
import com.badlogic.gdx.graphics.g2d.TextureRegion;
import com.talosvfx.talos.runtime.Particle;
import com.talosvfx.talos.runtime.ParticleDrawable;

public class TextureRegionDrawable implements ParticleDrawable {

    private Sprite region;

    public TextureRegionDrawable() {

    }

    public TextureRegionDrawable(Sprite region) {
        this.region = region;
    }

    public void setRegion(Sprite region) {
        this.region = region;
    }

    @Override
    public void draw(Batch batch, Particle particle, Color color) {
		float rotation = particle.rotation;
		float width = particle.size.x;
		float height = particle.size.y;
		float y = particle.getY();
		float x = particle.getX();

		if(region == null) return;

		region.setColor(color);

		draw(batch, x, y, width, height, rotation);
	}

	@Override
	public void draw (Batch batch, float x, float y, float width, float height, float rotation) {
		region.setPosition(x - width / 2, y - height / 2);
		region.setSize(width, height) ;
		region.setOrigin(width / 2, height / 2);
		region.setRotation(rotation);
		region.draw(batch);
	}

	@Override
    public float getAspectRatio() {
        if(region == null) {
            return 1;
        }
        return region.getRegionWidth()/ (float)region.getRegionHeight();
    }

    @Override
    public void setCurrentParticle(Particle particle) {

    }

    @Override
    public TextureRegion getTextureRegion() {
        return region;
    }
}