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Cycles: motion blur is now curved and passes exactly through the midpoint.

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Previously it would only interpolate between the previous and next frame,
which meant it might not hit the current frame position.
This commit is contained in:
Brecht Van Lommel
2012-10-17 12:55:23 +00:00
parent afb75ad2af
commit d08b06f773
7 changed files with 54 additions and 24 deletions
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17
intern/cycles/kernel/kernel_object.h
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@@ -23,8 +23,9 @@ enum ObjectTransform {
OBJECT_INVERSE_TRANSFORM = 3,
OBJECT_PROPERTIES = 6,
OBJECT_TRANSFORM_MOTION_PRE = 8,
OBJECT_TRANSFORM_MOTION_POST = 12,
OBJECT_DUPLI = 16
OBJECT_TRANSFORM_MOTION_MID = 12,
OBJECT_TRANSFORM_MOTION_POST = 16,
OBJECT_DUPLI = 18
};
__device_inline Transform object_fetch_transform(KernelGlobals *kg, int object, enum ObjectTransform type)
@@ -59,11 +60,15 @@ __device_inline Transform object_fetch_transform_motion(KernelGlobals *kg, int o
motion.pre.z = kernel_tex_fetch(__objects, offset + 2);
motion.pre.w = kernel_tex_fetch(__objects, offset + 3);
motion.mid.x = kernel_tex_fetch(__objects, offset + 4);
motion.mid.y = kernel_tex_fetch(__objects, offset + 5);
motion.mid.z = kernel_tex_fetch(__objects, offset + 6);
motion.mid.w = kernel_tex_fetch(__objects, offset + 7);
motion.post.x = kernel_tex_fetch(__objects, offset + 4);
motion.post.y = kernel_tex_fetch(__objects, offset + 5);
motion.post.z = kernel_tex_fetch(__objects, offset + 6);
motion.post.w = kernel_tex_fetch(__objects, offset + 7);
motion.post.x = kernel_tex_fetch(__objects, offset + 8);
motion.post.y = kernel_tex_fetch(__objects, offset + 9);
motion.post.z = kernel_tex_fetch(__objects, offset + 10);
motion.post.w = kernel_tex_fetch(__objects, offset + 11);
transform_motion_interpolate(&tfm, &motion, time);