Function createShadowUniforms

docs/app/js/sanddance-app.js:79860–79897

()

    return projectionMatrices;
}
function createShadowUniforms() {
    var opts = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
    var context = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
    var uniforms = {
        shadow_uDrawShadowMap: Boolean(opts.drawToShadowMap),
        shadow_uUseShadowMap: opts.shadowMaps ? opts.shadowMaps.length > 0 : false,
        shadow_uColor: opts.shadowColor || DEFAULT_SHADOW_COLOR,
        shadow_uLightId: opts.shadowLightId || 0,
        shadow_uLightCount: opts.shadowMatrices.length
    };
    var center = getMemoizedViewportCenterPosition({
        viewport: opts.viewport,
        center: context.project_uCenter
    });
    var projectCenters = [];
    var viewProjectionMatrices = getMemoizedViewProjectionMatrices({
        shadowMatrices: opts.shadowMatrices,
        viewport: opts.viewport
    }).slice();
    for(var i = 0; i < opts.shadowMatrices.length; i++){
        var viewProjectionMatrix = viewProjectionMatrices[i];
        var viewProjectionMatrixCentered = viewProjectionMatrix.clone().translate(new (0, _mathGl.Vector3)(opts.viewport.center).negate());
        if (context.project_uCoordinateSystem === (0, _constants.COORDINATE_SYSTEM).LNGLAT && context.project_uProjectionMode === (0, _constants.PROJECTION_MODE).WEB_MERCATOR) {
            viewProjectionMatrices[i] = viewProjectionMatrixCentered;
            projectCenters[i] = center;
        } else {
            viewProjectionMatrices[i] = viewProjectionMatrix.clone().multiplyRight(VECTOR_TO_POINT_MATRIX);
            projectCenters[i] = viewProjectionMatrixCentered.transform(center);
        }
    }
    for(var _i = 0; _i < viewProjectionMatrices.length; _i++){
        uniforms["shadow_uViewProjectionMatrices[".concat(_i, "]")] = viewProjectionMatrices[_i];
        uniforms["shadow_uProjectCenters[".concat(_i, "]")] = projectCenters[_i];
        if (opts.shadowMaps && opts.shadowMaps.length > 0) uniforms["shadow_uShadowMap".concat(_i)] = opts.shadowMaps[_i];
        else uniforms["shadow_uShadowMap".concat(_i)] = opts.dummyShadowMap;
    }
    return uniforms;
}
exports.default = {
    name: "shadow",
    dependencies: [