[Bf-blender-cvs] [a0848396051] master: Cleanup: logical order of axis defines, assign variables for readability
Campbell Barton
noreply at git.blender.org
Wed Jul 13 08:42:12 CEST 2022
Commit: a0848396051bd4aa8f611013f0ed722c9d85ec63
Author: Campbell Barton
Date: Wed Jul 13 16:18:17 2022 +1000
Branches: master
https://developer.blender.org/rBa0848396051bd4aa8f611013f0ed722c9d85ec63
Cleanup: logical order of axis defines, assign variables for readability
===================================================================
M source/blender/blenkernel/intern/camera.c
===================================================================
diff --git a/source/blender/blenkernel/intern/camera.c b/source/blender/blenkernel/intern/camera.c
index 84551f8e782..48a48d6e2b4 100644
--- a/source/blender/blenkernel/intern/camera.c
+++ b/source/blender/blenkernel/intern/camera.c
@@ -559,9 +559,9 @@ void BKE_camera_view_frame(const Scene *scene, const Camera *camera, float r_vec
#define CAMERA_VIEWFRAME_NUM_PLANES 4
-#define Y_MAX 0
-#define Z_MIN 1
-#define Y_MIN 2
+#define Y_MIN 0
+#define Y_MAX 1
+#define Z_MIN 2
#define Z_MAX 3
typedef struct CameraViewFrameData {
@@ -673,23 +673,21 @@ static bool camera_frame_fit_calc_from_data(CameraParams *params,
const float *cam_axis_y = data->camera_rotmat[1];
const float *cam_axis_z = data->camera_rotmat[2];
const float *dists = data->dist_vals;
- float scale_diff;
+ const float dist_span_y = dists[Y_MIN] + dists[Y_MAX];
+ const float dist_span_z = dists[Z_MIN] + dists[Z_MAX];
+ const float dist_mid_y = (dists[Y_MIN] - dists[Y_MAX]) * 0.5f;
+ const float dist_mid_z = (dists[Z_MIN] - dists[Z_MAX]) * 0.5f;
+ const float scale_diff = (dist_span_z < dist_span_y) ?
+ (dist_span_z * (BLI_rctf_size_x(¶ms->viewplane) /
+ BLI_rctf_size_y(¶ms->viewplane))) :
+ (dist_span_y * (BLI_rctf_size_y(¶ms->viewplane) /
+ BLI_rctf_size_x(¶ms->viewplane)));
- if ((dists[Y_MAX] + dists[Y_MIN]) > (dists[Z_MIN] + dists[Z_MAX])) {
- scale_diff = (dists[Z_MIN] + dists[Z_MAX]) *
- (BLI_rctf_size_x(¶ms->viewplane) / BLI_rctf_size_y(¶ms->viewplane));
- }
- else {
- scale_diff = (dists[Y_MAX] + dists[Y_MIN]) *
- (BLI_rctf_size_y(¶ms->viewplane) / BLI_rctf_size_x(¶ms->viewplane));
- }
*r_scale = params->ortho_scale - scale_diff;
zero_v3(r_co);
- madd_v3_v3fl(
- r_co, cam_axis_x, (dists[Y_MIN] - dists[Y_MAX]) * 0.5f + params->shiftx * scale_diff);
- madd_v3_v3fl(
- r_co, cam_axis_y, (dists[Z_MIN] - dists[Z_MAX]) * 0.5f + params->shifty * scale_diff);
+ madd_v3_v3fl(r_co, cam_axis_x, dist_mid_y + (params->shiftx * scale_diff));
+ madd_v3_v3fl(r_co, cam_axis_y, dist_mid_z + (params->shifty * scale_diff));
madd_v3_v3fl(r_co, cam_axis_z, -(data->z_range[0] - 1.0f - params->clip_start));
}
else {
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