UNPKG

playcanvas

Version:

PlayCanvas WebGL game engine

playcanvas.com

playcanvas/engine

3 lines (2 loc) • 2.03 kB
1
2
3
declare const _default: "\n // Attribute\n attribute aPosition : vec4f;\n\n uniform matrix_view : mat4x4f;\n uniform matrix_projectionSkybox : mat4x4f;\n uniform cubeMapRotationMatrix : mat3x3f;\n\n varying vViewDir : vec3f;\n\n #ifdef PREPASS_PASS\n // when skydome renders depth during prepass, generate linear depth\n varying vLinearDepth: f32;\n #endif\n\n #ifdef SKYMESH\n uniform matrix_model : mat4x4f;\n varying vWorldPos : vec3f;\n #endif\n\n @vertex\n fn vertexMain(input : VertexInput) -> VertexOutput {\n\n var output : VertexOutput;\n var view : mat4x4f = uniform.matrix_view;\n\n #ifdef SKYMESH\n\n var worldPos : vec4f = uniform.matrix_model * input.aPosition;\n output.vWorldPos = worldPos.xyz;\n output.position = uniform.matrix_projectionSkybox * (view * worldPos);\n\n #ifdef PREPASS_PASS\n // linear depth from the worldPosition, see getLinearDepth\n output.vLinearDepth = -(uniform.matrix_view * vec4f(worldPos.xyz, 1.0)).z;\n #endif\n\n #else\n\n view[3][0] = 0.0;\n view[3][1] = 0.0;\n view[3][2] = 0.0;\n output.position = uniform.matrix_projectionSkybox * (view * input.aPosition);\n output.vViewDir = input.aPosition.xyz * uniform.cubeMapRotationMatrix;\n\n #ifdef PREPASS_PASS\n // for infinite skybox, use negative gl_Position.w to get positive linear depth\n output.vLinearDepth = -pcPosition.w;\n #endif\n #endif\n\n // Force skybox to far Z, regardless of the clip planes on the camera\n // Subtract a tiny fudge factor to ensure floating point errors don't\n // still push pixels beyond far Z. See:\n // https://community.khronos.org/t/skybox-problem/61857\n\n output.position.z = output.position.w - 1.0e-7;\n\n return output;\n }\n"; export default _default;