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Cycles Hair: Addition of render settings and static BVH strand width scaling

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Addition of a RNA function to toggle between the hair settings and rebuild the cache. This enables the usage of the render step, child number and full display percentage with f12 rendering.

A scaling to the strand radius has also been added for the static bvh. This only matches up with dynamic for uniform scaling.

A very small fix is included for multiple uvs/vertex colours when using child particles.
This commit is contained in:
Stuart Broadfoot
2013-01-29 12:32:43 +00:00
parent 1a750e00e7
commit 6d2f104884
3 changed files with 86 additions and 31 deletions
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12
intern/cycles/render/object.cpp
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@@ -84,12 +84,20 @@ void Object::apply_transform()
{
if(!mesh || tfm == transform_identity())
return;
float3 c0 = transform_get_column(&tfm, 0);
float3 c1 = transform_get_column(&tfm, 1);
float3 c2 = transform_get_column(&tfm, 2);
float scalar = pow(fabsf(dot(cross(c0, c1), c2)), 1.0f/3.0f);
for(size_t i = 0; i < mesh->verts.size(); i++)
mesh->verts[i] = transform_point(&tfm, mesh->verts[i]);
for(size_t i = 0; i < mesh->curve_keys.size(); i++)
for(size_t i = 0; i < mesh->curve_keys.size(); i++) {
mesh->curve_keys[i].co = transform_point(&tfm, mesh->curve_keys[i].co);
/* scale for strand radius - only correct for uniform transforms*/
mesh->curve_keys[i].radius *= scalar;
}
/* store matrix to transform later. when accessing these as attributes we
* do not want the transform to be applied for consistency between static