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Merge pull request #16718 from Chaosus/triplanarfix 

Add refraction possibility when triplanar uv mode enabled
This commit is contained in:
Rémi Verschelde 2018-02-20 11:14:31 +01:00 committed by GitHub
parent 4b562aaf0c b5e4f637fc
commit 2c44b2cee4
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 6 additions and 3 deletions
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9
scene/resources/material.cpp
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@ -737,15 +737,18 @@ void SpatialMaterial::_update_shader() {
}
}
if (features[FEATURE_REFRACTION] && !flags[FLAG_UV1_USE_TRIPLANAR]) { //refraction not supported with triplanar
if (features[FEATURE_REFRACTION]) {
if (features[FEATURE_NORMAL_MAPPING]) {
code += "\tvec3 ref_normal = normalize( mix(NORMAL,TANGENT * NORMALMAP.x + BINORMAL * NORMALMAP.y + NORMAL * NORMALMAP.z,NORMALMAP_DEPTH) );\n";
} else {
code += "\tvec3 ref_normal = NORMAL;\n";
}
code += "\tvec2 ref_ofs = SCREEN_UV - ref_normal.xy * dot(texture(texture_refraction,base_uv),refraction_texture_channel) * refraction;\n";
if (flags[FLAG_UV1_USE_TRIPLANAR]) {
code += "\tvec2 ref_ofs = SCREEN_UV - ref_normal.xy * dot(triplanar_texture(texture_refraction,uv1_power_normal,uv1_triplanar_pos),refraction_texture_channel) * refraction;\n";
} else {
code += "\tvec2 ref_ofs = SCREEN_UV - ref_normal.xy * dot(texture(texture_refraction,base_uv),refraction_texture_channel) * refraction;\n";
}
code += "\tfloat ref_amount = 1.0 - albedo.a * albedo_tex.a;\n";
code += "\tEMISSION += textureLod(SCREEN_TEXTURE,ref_ofs,ROUGHNESS * 8.0).rgb * ref_amount;\n";
code += "\tALBEDO *= 1.0 - ref_amount;\n";