box2dLight.BlendFunc Maven / Gradle / Ivy
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2D real-time lighting using box2d
package box2dLight;
import com.badlogic.gdx.Gdx;
/**
* Helper class that stores source and destination factors for blending
*/
public class BlendFunc {
final int default_sfactor;
final int default_dfactor;
int sfactor;
int dfactor;
public BlendFunc(int sfactor, int dfactor) {
this.default_sfactor = sfactor;
this.default_dfactor = dfactor;
this.sfactor = sfactor;
this.dfactor = dfactor;
}
/**
* Sets source and destination blending factors
*/
public void set(int sfactor, int dfactor) {
this.sfactor = sfactor;
this.dfactor = dfactor;
}
/**
* Resets source and destination blending factors to default values
* that were set on instance creation
*/
public void reset() {
sfactor = default_sfactor;
dfactor = default_dfactor;
}
/**
* Calls glBlendFunc with own source and destination factors
*/
public void apply() {
Gdx.gl20.glBlendFunc(sfactor, dfactor);
}
}