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fix royale geom tilt angles

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hunterk 2019-09-16 09:35:12 -05:00
parent e19f75abf9
commit 8537d7b8de
1 changed files with 13 additions and 13 deletions
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26
crt/shaders/crt-royale/src/crt-royale-geometry-aa-last-pass.h
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@ -158,23 +158,23 @@ void main()
const float2 sin_tilt = sin(geom_tilt_angle);
const float2 cos_tilt = cos(geom_tilt_angle);
// Conceptual breakdown:
// static const float3x3 rot_x_matrix = float3x3(
// 1.0, 0.0, 0.0,
// 0.0, cos_tilt.y, -sin_tilt.y,
// 0.0, sin_tilt.y, cos_tilt.y);
// static const float3x3 rot_y_matrix = float3x3(
// cos_tilt.x, 0.0, sin_tilt.x,
// 0.0, 1.0, 0.0,
// -sin_tilt.x, 0.0, cos_tilt.x);
// static const float3x3 local_to_global =
// mul(rot_y_matrix, rot_x_matrix);
// static const float3x3 global_to_local =
// transpose(local_to_global);
static const float3x3 rot_x_matrix = float3x3(
1.0, 0.0, 0.0,
0.0, cos_tilt.y, -sin_tilt.y,
0.0, sin_tilt.y, cos_tilt.y);
static const float3x3 rot_y_matrix = float3x3(
cos_tilt.x, 0.0, sin_tilt.x,
0.0, 1.0, 0.0,
-sin_tilt.x, 0.0, cos_tilt.x);
static const float3x3 local_to_global =
mul(rot_y_matrix, rot_x_matrix);
/* static const float3x3 global_to_local =
transpose(local_to_global);
const float3x3 local_to_global = float3x3(
cos_tilt.x, sin_tilt.y*sin_tilt.x, cos_tilt.y*sin_tilt.x,
0.0, cos_tilt.y, sin_tilt.y,
sin_tilt.x, sin_tilt.y*cos_tilt.x, cos_tilt.y*cos_tilt.x);
// This is a pure rotation, so transpose = inverse:
*/ // This is a pure rotation, so transpose = inverse:
const float3x3 global_to_local = transpose(local_to_global);
// Decompose the matrix into 3 float3's for output:
global_to_local_row0 = float3(global_to_local[0][0], global_to_local[0][1], global_to_local[0][2]);//._m00_m01_m02);