playcanvas
Version:
Open-source WebGL/WebGPU 3D engine for the web
46 lines (45 loc) • 1.14 kB
JavaScript
var skybox_default = `
attribute vec4 aPosition;
uniform mat4 matrix_view;
uniform mat4 matrix_projectionSkybox;
uniform mat3 cubeMapRotationMatrix;
varying vec3 vViewDir;
varying vec3 vClipXYW;
varying float vLinearDepth;
uniform mat4 matrix_model;
varying vec3 vWorldPos;
void main(void) {
mat4 view = matrix_view;
vec4 worldPos = matrix_model * aPosition;
vWorldPos = worldPos.xyz;
gl_Position = matrix_projectionSkybox * (view * worldPos);
vLinearDepth = -(matrix_view * vec4(vWorldPos, 1.0)).z;
view[3][0] = view[3][1] = view[3][2] = 0.0;
vViewDir = aPosition.xyz * cubeMapRotationMatrix;
vec4 viewPos = view * aPosition;
gl_Position = vec4(viewPos.xy, 0.0, -viewPos.z);
vClipXYW = vec3(gl_Position.xy, gl_Position.w);
gl_Position = matrix_projectionSkybox * (view * aPosition);
vLinearDepth = -gl_Position.w;
gl_Position.z = gl_Position.w - 1.0e-7;
}
`;
export {
skybox_default as default
};