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

Introduction

In this page you can find the example usage for com.badlogic.gdx.graphics.g3d.attributes SpotLightsAttribute 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 bindSpotShadows(final Attributes attributes) {
    final SpotLightsAttribute sla = attributes.get(SpotLightsAttribute.class, SpotLightsAttribute.Type);
    final Array<SpotLight> spots = sla == null ? null : sla.lights;

    if (spotLightsLoc >= 0) {
        for (int i = 0; i < spotLights.length; i++) {
            if (spots == null || spots.size <= i) {
                continue;
            }/* ww  w.j  a v  a 2 s  . c o m*/

            int idx = spotShadowsLoc + i * spotShadowsSize;

            // Shadow
            ObjectMap<SpotLight, LightProperties> spotCameras = shadowSystem.getSpotCameras();

            SpotLight sl = spots.get(i);
            if (shadowSystem.hasLight(sl)) {
                // UVTransform
                final TextureRegion tr = spotCameras.get(sl).region;
                Camera cam = spotCameras.get(sl).camera;

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

                    // ProjViewTrans
                    idx = spotShadowMapProjViewTransLoc + i * spotShadowMapProjViewTransSize;
                    program.setUniformMatrix(idx, spotCameras.get(sl).camera.combined);
                }
            }

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

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