40 lines
1.4 KiB
C
40 lines
1.4 KiB
C
|
/*
|
||
|
|
* Copyright 2011-2014 Blender Foundation
|
||
|
|
*
|
||
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
||
|
|
* you may not use this file except in compliance with the License.
|
||
|
|
* You may obtain a copy of the License at
|
||
|
|
*
|
||
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
||
|
|
*
|
||
|
|
* Unless required by applicable law or agreed to in writing, software
|
||
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
||
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||
|
|
* See the License for the specific language governing permissions and
|
||
|
|
* limitations under the License.
|
||
|
|
*/
|
||
|
|
|
||
|
|
CCL_NAMESPACE_BEGIN
|
||
|
|
|
||
|
|
ccl_device float3
|
||
|
|
svm_mapping(NodeMappingType type, float3 vector, float3 location, float3 rotation, float3 scale)
|
||
|
|
{
|
||
|
|
Transform rotationTransform = euler_to_transform(rotation);
|
||
|
|
switch (type) {
|
||
|
|
case NODE_MAPPING_TYPE_POINT:
|
||
|
|
return transform_direction(&rotationTransform, (vector * scale)) + location;
|
||
|
|
case NODE_MAPPING_TYPE_TEXTURE:
|
||
|
|
return safe_divide_float3_float3(
|
||
|
|
transform_direction_transposed(&rotationTransform, (vector - location)), scale);
|
||
|
|
case NODE_MAPPING_TYPE_VECTOR:
|
||
|
|
return transform_direction(&rotationTransform, (vector * scale));
|
||
|
|
case NODE_MAPPING_TYPE_NORMAL:
|
||
|
|
return safe_normalize(
|
||
|
|
transform_direction(&rotationTransform, safe_divide_float3_float3(vector, scale)));
|
||
|
|
default:
|
||
|
|
return make_float3(0.0f, 0.0f, 0.0f);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
CCL_NAMESPACE_END
|