Example usage for com.badlogic.gdx.graphics.g3d.attributes DirectionalLightsAttribute Type

Introduction

In this page you can find the example usage for com.badlogic.gdx.graphics.g3d.attributes DirectionalLightsAttribute Type.

Prototype

long Type

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Usage

From source file:com.badlogic.gdx.tests.g3d.shadows.system.realistic.MainShader.java

License:Apache License

public void bindDirectionalShadows(final Attributes attributes) {
    final DirectionalLightsAttribute dla = attributes.get(DirectionalLightsAttribute.class,
            DirectionalLightsAttribute.Type);
    final Array<DirectionalLight> dirs = dla == null ? null : dla.lights;

    if (dirLightsLoc >= 0) {
        for (int i = 0; i < directionalLights.length; i++) {
            if (dirs == null || dirs.size <= i) {
                continue;
            }/*from ww w  .  j av a  2s. c om*/

            int idx = dirShadowsLoc + i * dirShadowsSize;

            // Shadow
            ObjectMap<DirectionalLight, LightProperties> dirCameras = shadowSystem.getDirectionalCameras();

            DirectionalLight dl = dirs.get(i);
            if (shadowSystem.hasLight(dl)) {
                // UVTransform
                final TextureRegion tr = dirCameras.get(dl).region;
                Camera cam = dirCameras.get(dl).camera;

                if (cam != null) {
                    program.setUniformf(idx + dirShadowsUvTransformOffset, tr.getU(), tr.getV(),
                            tr.getU2() - tr.getU(), tr.getV2() - tr.getV());

                    // ProjViewTrans
                    idx = dirShadowMapProjViewTransLoc + i * dirShadowMapProjViewTransSize;
                    program.setUniformMatrix(idx, dirCameras.get(dl).camera.combined);
                }
            }

            if (dirLightsSize <= 0)
                break;
        }
    }
}

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