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Manipulator: cage2d initial rotation support

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This commit is contained in:
Campbell Barton
2017-09-05 23:45:35 +10:00
parent 0a1a7323e5
commit 16e5b932b7
1 changed files with 50 additions and 0 deletions
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50
source/blender/editors/manipulator_library/manipulator_types/cage2d_manipulator.c
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@@ -39,6 +39,7 @@
#include "BKE_context.h"
#include "BLI_math.h"
#include "BLI_dial.h"
#include "BLI_rect.h"
#include "ED_screen.h"
@@ -501,6 +502,8 @@ static int manipulator_rect_transform_test_select(
typedef struct RectTransformInteraction {
float orig_mouse[2];
float orig_matrix_offset[4][4];
float orig_matrix_final_no_offset[4][4];
Dial *dial;
} RectTransformInteraction;
static void manipulator_rect_transform_setup(wmManipulator *mpr)
@@ -515,6 +518,14 @@ static int manipulator_rect_transform_invoke(
copy_m4_m4(data->orig_matrix_offset, mpr->matrix_offset);
{
float mat_identity[4][4];
struct WM_ManipulatorMatrixParams params = {NULL};
unit_m4(mat_identity);
params.matrix_offset = mat_identity;
WM_manipulator_calc_matrix_final_params(mpr, &params, data->orig_matrix_final_no_offset);
}
if (manipulator_window_project_2d(
C, mpr, (const float[2]){UNPACK2(event->mval)}, 2, false, data->orig_mouse) == 0)
{
@@ -571,7 +582,44 @@ static int manipulator_rect_transform_modal(
mpr->matrix_offset[3][1] = data->orig_matrix_offset[3][1] + (point_local[1] - data->orig_mouse[1]);
}
else if (mpr->highlight_part == ED_MANIPULATOR_CAGE2D_PART_ROTATE) {
#define MUL_V2_V3_M4_FINAL(test_co, mouse_co) \
mul_v3_m4v3(test_co, data->orig_matrix_final_no_offset, ((const float[3]){UNPACK2(mouse_co), 0.0}))
float test_co[3];
if (data->dial == NULL) {
MUL_V2_V3_M4_FINAL(test_co, data->orig_matrix_offset[3]);
data->dial = BLI_dial_initialize(test_co, FLT_EPSILON);
MUL_V2_V3_M4_FINAL(test_co, data->orig_mouse);
BLI_dial_angle(data->dial, test_co);
}
/* rotate */
MUL_V2_V3_M4_FINAL(test_co, point_local);
const float angle = BLI_dial_angle(data->dial, test_co);
float matrix_space_inv[4][4];
float matrix_rotate[4][4];
float pivot[3];
copy_v3_v3(pivot, data->orig_matrix_offset[3]);
invert_m4_m4(matrix_space_inv, mpr->matrix_space);
unit_m4(matrix_rotate);
mul_m4_m4m4(matrix_rotate, matrix_rotate, matrix_space_inv);
rotate_m4(matrix_rotate, 'Z', -angle);
mul_m4_m4m4(matrix_rotate, matrix_rotate, mpr->matrix_space);
zero_v3(matrix_rotate[3]);
transform_pivot_set_m4(matrix_rotate, pivot);
mul_m4_m4m4(mpr->matrix_offset, matrix_rotate, data->orig_matrix_offset);
#undef MUL_V2_V3_M4_FINAL
}
else {
/* scale */
@@ -660,6 +708,8 @@ static void manipulator_rect_transform_exit(bContext *C, wmManipulator *mpr, con
{
RectTransformInteraction *data = mpr->interaction_data;
MEM_SAFE_FREE(data->dial);
if (!cancel)
return;