import { default } from "https://deno.land/x/threejs_4_deno@v121/src/renderers/shaders/ShaderChunk/shadowmap_vertex.glsl.js";
type
`
#ifdef USE_SHADOWMAP
#if NUM_DIR_LIGHT_SHADOWS > 0 || NUM_SPOT_LIGHT_SHADOWS > 0 || NUM_POINT_LIGHT_SHADOWS > 0
// Offsetting the position used for querying occlusion along the world normal can be used to reduce shadow acne.
vec3 shadowWorldNormal = inverseTransformDirection( transformedNormal, viewMatrix );
vec4 shadowWorldPosition;
#endif
#if NUM_DIR_LIGHT_SHADOWS > 0
#pragma unroll_loop_start
for ( int i = 0; i < NUM_DIR_LIGHT_SHADOWS; i ++ ) {
shadowWorldPosition = worldPosition + vec4( shadowWorldNormal * directionalLightShadows[ i ].shadowNormalBias, 0 );
vDirectionalShadowCoord[ i ] = directionalShadowMatrix[ i ] * shadowWorldPosition;
}
#pragma unroll_loop_end
#endif
#if NUM_SPOT_LIGHT_SHADOWS > 0
#pragma unroll_loop_start
for ( int i = 0; i < NUM_SPOT_LIGHT_SHADOWS; i ++ ) {
shadowWorldPosition = worldPosition + vec4( shadowWorldNormal * spotLightShadows[ i ].shadowNormalBias, 0 );
vSpotShadowCoord[ i ] = spotShadowMatrix[ i ] * shadowWorldPosition;
}
#pragma unroll_loop_end
#endif
#if NUM_POINT_LIGHT_SHADOWS > 0
#pragma unroll_loop_start
for ( int i = 0; i < NUM_POINT_LIGHT_SHADOWS; i ++ ) {
shadowWorldPosition = worldPosition + vec4( shadowWorldNormal * pointLightShadows[ i ].shadowNormalBias, 0 );
vPointShadowCoord[ i ] = pointShadowMatrix[ i ] * shadowWorldPosition;
}
#pragma unroll_loop_end
#endif
/*
#if NUM_RECT_AREA_LIGHTS > 0
// TODO (abelnation): update vAreaShadowCoord with area light info
#endif
*/
#endif
`