1 files changed, 0 insertions, 90 deletions
diff --git a/Shaders/Motion.cginc b/Shaders/Motion.cginc
deleted file mode 100644
index d6458e9..0000000
--- a/Shaders/Motion.cginc
+++ /dev/null
@@ -1,90 +0,0 @@
-#ifndef MOTION_
-#define MOTION_
-
-// xyz represent quaternion vector, w represents theta.
-typedef float4 Quaternion;
-
-// Math from here:
-//   https://en.wikipedia.org/wiki/Quaternions_and_spatial_rotation
-float3 qrot(in float3 v, in Quaternion q)
-{
-  float a = q.w;
-  float b = q.x;
-  float c = q.y;
-  float d = q.z;
-
-  float a2 = a*a;
-  float b2 = b*b;
-  float c2 = c*c;
-  float d2 = d*d;
-
-  float3x3 rot = float3x3(
-    (a2 + b2 - c2) - d2, 2*b*c - 2*a*d, 2*b*d + 2*a*c,
-    2*b*c + 2*a*d, (a2 - b2) + (c2 - d2), 2*c*d - 2*a*b,
-    2*b*d - 2*a*c, 2*c*d + 2*a*b, ((a2 - b2) - c2) + d2
-  );
-
-  return mul(rot, v);
-}
-
-Quaternion qinv(in Quaternion q)
-{
-  return Quaternion(q.xyz, -q.w);
-}
-
-// Multiply two quaternions.
-// Math from here: https://www.haroldserrano.com/blog/quaternions-in-computer-graphics
-Quaternion qmul(in Quaternion a, in Quaternion b)
-{
-	return Quaternion(a.w * b.xyz + b.w * a.xyz + cross(a.xyz, b.xyz), a.w * b.w - dot(a.xyz, b.xyz));
-}
-
-float4 affine3(in float3 m)
-{
-  return float4(m, 1.0);
-}
-
-float4x4 affine3x3(in float3x3 m)
-{
-  return float4x4(
-    m[0][0], m[0][1], m[0][2], 0,
-    m[1][0], m[1][1], m[1][2], 0,
-    m[2][0], m[2][1], m[2][2], 0,
-    0,       0,       0,       1
-  );
-}
-
-float4x4 eye()
-{
-  return float4x4(
-    1, 0, 0, 0,
-    0, 1, 0, 0,
-    0, 0, 1, 0,
-    0, 0, 0, 1
-  );
-}
-
-// Return affine translation matrix.
-float4x4 translate(in float dx, in float dy, in float dz)
-{
-  return float4x4(
-    1, 0, 0, dx,
-    0, 1, 0, dy,
-    0, 0, 1, dz,
-    0, 0, 0, 1
-  );
-}
-
-// Return affine scaling matrix.
-float4x4 scale(in float sx, in float sy, in float sz)
-{
-  return float4x4(
-    sx, 0,  0,  0,
-    0,  sy, 0,  0,
-    0,  0,  sz, 0,
-    0,  0,  0,  1
-  );
-}
-
-#endif // MOTION_
-