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Triplanar sample

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luboslenco 2019-05-11 18:31:50 +02:00
parent 4a754e8b3a
commit 9d63b8e7a5
1 changed files with 15 additions and 4 deletions
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19
Sources/armory/system/Cycles.hx
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@ -48,6 +48,7 @@ class Cycles {
public static var parse_height_as_channel = false;
public static var parse_emission = false;
public static var parse_subsurface = false;
public static var triplanar = false; // Sample using texCoord0/1/2 & texCoordBlend
public static var arm_export_tangents = true;
public static var out_normaltan:String; // Raw tangent space normal parsed from normal map
@ -1744,10 +1745,20 @@ class Cycles {
uv_name = 'texCoord';
}
var tex_store = store_var_name(node);
// if c_state.mat_texture_grad():
// curshader.write('vec4 {0} = textureGrad({1}, {2}.xy, g2.xy, g2.zw);'.format(tex_store, tex_name, uv_name))
// else:
curshader.write('vec4 $tex_store = texture($tex_name, $uv_name.xy);');
if (triplanar) {
curshader.write('vec4 $tex_store = vec4(0.0, 0.0, 0.0, 0.0);');
curshader.write('if (texCoordBlend.x > 0) $tex_store += texture($tex_name, ${uv_name}0.xy) * texCoordBlend.x;');
curshader.write('if (texCoordBlend.y > 0) $tex_store += texture($tex_name, ${uv_name}1.xy) * texCoordBlend.y;');
curshader.write('if (texCoordBlend.z > 0) $tex_store += texture($tex_name, ${uv_name}2.xy) * texCoordBlend.z;');
}
else {
// if c_state.mat_texture_grad():
// curshader.write('vec4 {0} = textureGrad({1}, {2}.xy, g2.xy, g2.zw);'.format(tex_store, tex_name, uv_name))
// else:
curshader.write('vec4 $tex_store = texture($tex_name, $uv_name.xy);');
}
if (sample_bump) {
sample_bump_res = tex_store;
curshader.write('float ${tex_store}_1 = textureOffset($tex_name, $uv_name.xy, ivec2(-2, 0)).r;');