Examples with ALight org.rajawali3d.lights.ALight used on opensource projects

Example 1 with ALight

use of org.rajawali3d.lights.ALight in project Rajawali by Rajawali.

the class LightsFragmentShaderFragment method initialize.

@Override
public void initialize() {
    super.initialize();
    int lightCount = mLights.size();
    @SuppressWarnings("unused") int dirLightCount = 0, spotLightCount = 0, pointLightCount = 0;
    for (int i = 0; i < lightCount; i++) {
        if (mLights.get(i).getLightType() == ALight.DIRECTIONAL_LIGHT)
            dirLightCount++;
        else if (mLights.get(i).getLightType() == ALight.SPOT_LIGHT)
            spotLightCount++;
        else if (mLights.get(i).getLightType() == ALight.POINT_LIGHT)
            pointLightCount++;
    }
    muLightPosition = new RVec3[lightCount];
    muLightColor = new RVec3[lightCount];
    muLightPower = new RFloat[lightCount];
    muLightDirection = new RVec3[dirLightCount + spotLightCount];
    muSpotCutoffAngle = new RFloat[spotLightCount];
    muSpotFalloff = new RFloat[spotLightCount];
    mvAttenuation = new RFloat[lightCount];
    //mgLightDirection = (RVec3) addGlobal(LightsShaderVar.G_LIGHT_DIRECTION, DataType.VEC3);
    mvEye = (RVec4) addVarying(LightsShaderVar.V_EYE);
    dirLightCount = 0;
    spotLightCount = 0;
    pointLightCount = 0;
    for (int i = 0; i < mLights.size(); i++) {
        ALight light = mLights.get(i);
        int t = light.getLightType();
        muLightPosition[i] = (RVec3) addUniform(LightsShaderVar.U_LIGHT_POSITION, i);
        muLightPower[i] = (RFloat) addUniform(LightsShaderVar.U_LIGHT_POWER, i);
        muLightColor[i] = (RVec3) addUniform(LightsShaderVar.U_LIGHT_COLOR, i);
        if (t == ALight.DIRECTIONAL_LIGHT || t == ALight.SPOT_LIGHT) {
            muLightDirection[dirLightCount] = (RVec3) addUniform(LightsShaderVar.U_LIGHT_DIRECTION, dirLightCount);
            dirLightCount++;
        }
        if (t == ALight.SPOT_LIGHT) {
            muSpotCutoffAngle[spotLightCount] = (RFloat) addUniform(LightsShaderVar.U_SPOT_CUTOFF_ANGLE, spotLightCount);
            muSpotFalloff[spotLightCount] = (RFloat) addUniform(LightsShaderVar.U_SPOT_FALLOFF, spotLightCount);
            spotLightCount++;
        }
        mvAttenuation[i] = (RFloat) addVarying(LightsShaderVar.V_LIGHT_ATTENUATION, i);
    }
    addVarying(LightsShaderVar.V_AMBIENT_COLOR);
}

Example 2 with ALight

use of org.rajawali3d.lights.ALight in project Rajawali by Rajawali.

the class LightsVertexShaderFragment method setLocations.

@Override
public void setLocations(int programHandle) {
    int lightDirCount = 0, lightAttCount = 0;
    int spotCount = 0;
    for (int i = 0; i < mLights.size(); i++) {
        ALight light = mLights.get(i);
        int t = light.getLightType();
        muLightColorHandles[i] = getUniformLocation(programHandle, LightsShaderVar.U_LIGHT_COLOR, i);
        muLightPowerHandles[i] = getUniformLocation(programHandle, LightsShaderVar.U_LIGHT_POWER, i);
        muLightPositionHandles[i] = getUniformLocation(programHandle, LightsShaderVar.U_LIGHT_POSITION, i);
        if (t == ALight.DIRECTIONAL_LIGHT || t == ALight.SPOT_LIGHT) {
            muLightDirectionHandles[lightDirCount] = getUniformLocation(programHandle, LightsShaderVar.U_LIGHT_DIRECTION, lightDirCount);
            lightDirCount++;
        }
        if (t == ALight.SPOT_LIGHT || t == ALight.POINT_LIGHT) {
            muLightAttenuationHandles[lightAttCount] = getUniformLocation(programHandle, LightsShaderVar.U_LIGHT_ATTENUATION, lightAttCount);
            lightAttCount++;
        }
        if (t == ALight.SPOT_LIGHT) {
            muSpotExponentHandles[spotCount] = getUniformLocation(programHandle, LightsShaderVar.U_SPOT_EXPONENT, spotCount);
            muSpotCutoffAngleHandles[spotCount] = getUniformLocation(programHandle, LightsShaderVar.U_SPOT_CUTOFF_ANGLE, spotCount);
            muSpotFalloffHandles[spotCount] = getUniformLocation(programHandle, LightsShaderVar.U_SPOT_FALLOFF, spotCount);
            spotCount++;
        }
        muAmbientColorHandle = getUniformLocation(programHandle, LightsShaderVar.U_AMBIENT_COLOR);
        muAmbientIntensityHandle = getUniformLocation(programHandle, LightsShaderVar.U_AMBIENT_INTENSITY);
    }
}

Example 3 with ALight

use of org.rajawali3d.lights.ALight in project Rajawali by Rajawali.

the class LightsVertexShaderFragment method initialize.

@Override
public void initialize() {
    super.initialize();
    int lightCount = mLights.size();
    for (int i = 0; i < lightCount; i++) {
        if (mLights.get(i).getLightType() == ALight.DIRECTIONAL_LIGHT)
            mDirLightCount++;
        else if (mLights.get(i).getLightType() == ALight.SPOT_LIGHT)
            mSpotLightCount++;
        else if (mLights.get(i).getLightType() == ALight.POINT_LIGHT)
            mPointLightCount++;
    }
    muLightColor = new RVec3[lightCount];
    muLightColorHandles = new int[muLightColor.length];
    muLightPower = new RFloat[lightCount];
    muLightPowerHandles = new int[muLightPower.length];
    muLightPosition = new RVec3[lightCount];
    muLightPositionHandles = new int[muLightPosition.length];
    muLightDirection = new RVec3[mDirLightCount + mSpotLightCount];
    muLightDirectionHandles = new int[muLightDirection.length];
    muLightAttenuation = new RVec4[mSpotLightCount + mPointLightCount];
    muLightAttenuationHandles = new int[muLightAttenuation.length];
    mvAttenuation = new RFloat[lightCount];
    muSpotExponent = new RFloat[mSpotLightCount];
    muSpotExponentHandles = new int[muSpotExponent.length];
    muSpotCutoffAngle = new RFloat[mSpotLightCount];
    muSpotCutoffAngleHandles = new int[muSpotCutoffAngle.length];
    muSpotFalloff = new RFloat[mSpotLightCount];
    muSpotFalloffHandles = new int[muSpotFalloff.length];
    mgLightDistance = (RFloat) addGlobal(LightsShaderVar.G_LIGHT_DISTANCE);
    mvEye = (RVec4) addVarying(LightsShaderVar.V_EYE);
    int lightDirCount = 0, lightAttCount = 0;
    int spotCount = 0;
    for (int i = 0; i < mLights.size(); i++) {
        ALight light = mLights.get(i);
        int t = light.getLightType();
        muLightColor[i] = (RVec3) addUniform(LightsShaderVar.U_LIGHT_COLOR, i);
        muLightPower[i] = (RFloat) addUniform(LightsShaderVar.U_LIGHT_POWER, i);
        muLightPosition[i] = (RVec3) addUniform(LightsShaderVar.U_LIGHT_POSITION, i);
        mvAttenuation[i] = (RFloat) addVarying(LightsShaderVar.V_LIGHT_ATTENUATION, i);
        if (t == ALight.DIRECTIONAL_LIGHT || t == ALight.SPOT_LIGHT) {
            muLightDirection[lightDirCount] = (RVec3) addUniform(LightsShaderVar.U_LIGHT_DIRECTION, lightDirCount);
            lightDirCount++;
        }
        if (t == ALight.SPOT_LIGHT || t == ALight.POINT_LIGHT) {
            muLightAttenuation[lightAttCount] = (RVec4) addUniform(LightsShaderVar.U_LIGHT_ATTENUATION, lightAttCount);
            lightAttCount++;
        }
        if (t == ALight.SPOT_LIGHT) {
            muSpotExponent[spotCount] = (RFloat) addUniform(LightsShaderVar.U_SPOT_EXPONENT, spotCount);
            muSpotCutoffAngle[spotCount] = (RFloat) addUniform(LightsShaderVar.U_SPOT_CUTOFF_ANGLE, spotCount);
            muSpotFalloff[spotCount] = (RFloat) addUniform(LightsShaderVar.U_SPOT_FALLOFF, spotCount);
            spotCount++;
        //TODO: Perhaps a problem will arrise if directional and spot lights are used together due to counting each separately?
        }
    }
    muAmbientColor = (RVec3) addUniform(LightsShaderVar.U_AMBIENT_COLOR);
    muAmbientIntensity = (RVec3) addUniform(LightsShaderVar.U_AMBIENT_INTENSITY);
    mvAmbientColor = (RVec3) addVarying(LightsShaderVar.V_AMBIENT_COLOR);
}

Example 4 with ALight

use of org.rajawali3d.lights.ALight in project Rajawali by Rajawali.

the class LightsVertexShaderFragment method main.

@Override
public void main() {
    int lightAttCount = 0;
    RMat4 modelMatrix = (RMat4) getGlobal(DefaultShaderVar.U_MODEL_MATRIX);
    RVec4 position = (RVec4) getGlobal(DefaultShaderVar.G_POSITION);
    mvEye.assign(enclose(modelMatrix.multiply(position)));
    mvAmbientColor.rgb().assign(muAmbientColor.rgb().multiply(muAmbientIntensity.rgb()));
    for (int i = 0; i < mLights.size(); i++) {
        ALight light = mLights.get(i);
        int t = light.getLightType();
        if (t == ALight.SPOT_LIGHT || t == ALight.POINT_LIGHT) {
            //
            // -- gLightDistance = distance(vEye.xyz, uLightPosition);
            //
            mgLightDistance.assign(distance(mvEye.xyz(), muLightPosition[i]));
            //
            // -- vAttenuation  = 1.0 / (uLightAttenuation[1] + uLightAttenuation[2] * gLightDistance + uLightAttenuation[3] * gLightDistance * gLightDistance)
            //
            mvAttenuation[i].assign(new RFloat(1.0).divide(enclose(muLightAttenuation[lightAttCount].index(1).add(muLightAttenuation[lightAttCount].index(2)).multiply(mgLightDistance).add(muLightAttenuation[lightAttCount].index(3)).multiply(mgLightDistance).multiply(mgLightDistance))));
            lightAttCount++;
        } else if (t == ALight.DIRECTIONAL_LIGHT) {
            //
            // -- vAttenuation = 1.0
            //
            mvAttenuation[i].assign(1.0f);
        }
    }
}

Example 5 with ALight

use of org.rajawali3d.lights.ALight in project Rajawali by Rajawali.

the class WallpaperRenderer method initScene.

@Override
protected void initScene() {
    ALight light = new DirectionalLight(-1, 0, -1);
    light.setPower(2);
    getCurrentScene().addLight(light);
    getCurrentCamera().setPosition(0, 0, 7);
    getCurrentCamera().setLookAt(0, 0, 0);
    try {
        Cube cube = new Cube(1);
        Material material = new Material();
        material.enableLighting(true);
        material.setDiffuseMethod(new DiffuseMethod.Lambert());
        material.addTexture(new Texture("rajawaliTex", R.drawable.rajawali_tex));
        material.setColorInfluence(0);
        cube.setMaterial(material);
        getCurrentScene().addChild(cube);
        Vector3 axis = new Vector3(3, 1, 6);
        axis.normalize();
        Animation3D anim = new RotateOnAxisAnimation(axis, 0, 360);
        anim.setDurationMilliseconds(8000);
        anim.setRepeatMode(Animation.RepeatMode.INFINITE);
        anim.setInterpolator(new AccelerateDecelerateInterpolator());
        anim.setTransformable3D(cube);
        getCurrentScene().registerAnimation(anim);
        anim.play();
    } catch (ATexture.TextureException e) {
        e.printStackTrace();
    }
}