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Merge pull request #43746 from CaptainProton42/master

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Vulkan: Implement triplanar mapping in world space
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Rémi Verschelde 2021-04-08 21:26:08 +02:00 committed by GitHub
parent 35066f39ff 856312ca6d
commit cba3b024b5
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GPG key ID: 4AEE18F83AFDEB23
1 changed files with 14 additions and 4 deletions
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18
scene/resources/material.cpp
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@ -829,16 +829,26 @@ void BaseMaterial3D::_update_shader() {
}
if (flags[FLAG_UV1_USE_TRIPLANAR]) {
code += "\tuv1_power_normal=pow(abs(NORMAL),vec3(uv1_blend_sharpness));\n";
if (flags[FLAG_UV1_USE_WORLD_TRIPLANAR]) {
code += "\tuv1_power_normal=pow(abs(mat3(WORLD_MATRIX) * NORMAL),vec3(uv1_blend_sharpness));\n";
code += "\tuv1_triplanar_pos = (WORLD_MATRIX * vec4(VERTEX, 1.0f)).xyz * uv1_scale + uv1_offset;\n";
} else {
code += "\tuv1_power_normal=pow(abs(NORMAL),vec3(uv1_blend_sharpness));\n";
code += "\tuv1_triplanar_pos = VERTEX * uv1_scale + uv1_offset;\n";
}
code += "\tuv1_power_normal/=dot(uv1_power_normal,vec3(1.0));\n";
code += "\tuv1_triplanar_pos = VERTEX * uv1_scale + uv1_offset;\n";
code += "\tuv1_triplanar_pos *= vec3(1.0,-1.0, 1.0);\n";
}
if (flags[FLAG_UV2_USE_TRIPLANAR]) {
code += "\tuv2_power_normal=pow(abs(NORMAL), vec3(uv2_blend_sharpness));\n";
if (flags[FLAG_UV2_USE_WORLD_TRIPLANAR]) {
code += "\tuv2_power_normal=pow(abs(mat3(WORLD_MATRIX) * NORMAL), vec3(uv2_blend_sharpness));\n";
code += "\tuv2_triplanar_pos = (WORLD_MATRIX * vec4(VERTEX, 1.0f)).xyz * uv2_scale + uv2_offset;\n";
} else {
code += "\tuv2_power_normal=pow(abs(NORMAL), vec3(uv2_blend_sharpness));\n";
code += "\tuv2_triplanar_pos = VERTEX * uv2_scale + uv2_offset;\n";
}
code += "\tuv2_power_normal/=dot(uv2_power_normal,vec3(1.0));\n";
code += "\tuv2_triplanar_pos = VERTEX * uv2_scale + uv2_offset;\n";
code += "\tuv2_triplanar_pos *= vec3(1.0,-1.0, 1.0);\n";
}