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Revert "Revert "Transform: interactive mode for editing a 'Snap Source'""

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This reverts commit 805181bffa.
This commit is contained in:
Germano Cavalcante
2021-11-17 11:02:54 -03:00
committed by Germano Cavalcante
parent 3531021d1b
commit 25fa6c74b9
11 changed files with 279 additions and 61 deletions
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2
source/blender/gpu/GPU_immediate_util.h
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@@ -93,6 +93,8 @@ void imm_draw_cylinder_fill_3d(
uint pos, float base, float top, float height, int slices, int stacks);
void imm_drawcircball(const float cent[3], float rad, const float tmat[4][4], uint pos);
void imm_drawX(const float cent[3], float size, const float tmat[4][4], uint pos);
#ifdef __cplusplus
}
#endif

29
source/blender/gpu/intern/gpu_immediate_util.c
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@@ -654,3 +654,32 @@ void imm_drawcircball(const float cent[3], float rad, const float tmat[4][4], ui
}
immEnd();
}
void imm_drawX(const float cent[3], float size, const float tmat[4][4], uint pos)
{
/* Draw an "X" indicating where the previous snap point is.
* This is useful for indicating perpendicular snap. */
/* v1, v2, v3 and v4 indicate the coordinates of the ends of the "X". */
float vx[3], vy[3], v1[3], v2[3], v3[3], v4[4];
mul_v3_v3fl(vx, tmat[0], size);
mul_v3_v3fl(vy, tmat[1], size);
add_v3_v3v3(v1, vx, vy);
sub_v3_v3v3(v2, vx, vy);
negate_v3_v3(v3, v1);
negate_v3_v3(v4, v2);
add_v3_v3(v1, cent);
add_v3_v3(v2, cent);
add_v3_v3(v3, cent);
add_v3_v3(v4, cent);
immBegin(GPU_PRIM_LINES, 4);
immVertex3fv(pos, v3);
immVertex3fv(pos, v1);
immVertex3fv(pos, v4);
immVertex3fv(pos, v2);
immEnd();
}