diff options
Diffstat (limited to 'source/blender/editors/space_view3d/drawobject.c')
-rw-r--r-- | source/blender/editors/space_view3d/drawobject.c | 32 |
1 files changed, 17 insertions, 15 deletions
diff --git a/source/blender/editors/space_view3d/drawobject.c b/source/blender/editors/space_view3d/drawobject.c index 02f3bec3782..32a6a39a97a 100644 --- a/source/blender/editors/space_view3d/drawobject.c +++ b/source/blender/editors/space_view3d/drawobject.c @@ -5022,7 +5022,7 @@ static void curve_draw_speed(Scene *scene, Object *ob) #endif // XXX old animation system stuff -static void draw_textcurs(float textcurs[][2]) +static void draw_textcurs(float textcurs[4][2]) { cpack(0); @@ -5039,12 +5039,14 @@ static void draw_textcurs(float textcurs[][2]) static void drawspiral(const float cent[3], float rad, float tmat[][4], int start) { float vec[3], vx[3], vy[3]; - int a, tot=32; - char inverse=0; - + const int tot=32; + const float tot_inv= (1.0f / 32.0f); + int a; + char inverse= FALSE; + if (start < 0) { - inverse = 1; - start *= -1; + inverse = TRUE; + start= -start; } mul_v3_v3fl(vx, tmat[0], rad); @@ -5058,26 +5060,26 @@ static void drawspiral(const float cent[3], float rad, float tmat[][4], int star start=-a + 1; glBegin(GL_LINES); glVertex3fv(vec); - vec[0]= cent[0] + *(sinval+a+start) * (vx[0] * (float)a/(float)tot) + *(cosval+a+start) * (vy[0] * (float)a/(float)tot); - vec[1]= cent[1] + *(sinval+a+start) * (vx[1] * (float)a/(float)tot) + *(cosval+a+start) * (vy[1] * (float)a/(float)tot); - vec[2]= cent[2] + *(sinval+a+start) * (vx[2] * (float)a/(float)tot) + *(cosval+a+start) * (vy[2] * (float)a/(float)tot); + vec[0]= cent[0] + *(sinval+a+start) * (vx[0] * (float)a * tot_inv) + *(cosval+a+start) * (vy[0] * (float)a * tot_inv); + vec[1]= cent[1] + *(sinval+a+start) * (vx[1] * (float)a * tot_inv) + *(cosval+a+start) * (vy[1] * (float)a * tot_inv); + vec[2]= cent[2] + *(sinval+a+start) * (vx[2] * (float)a * tot_inv) + *(cosval+a+start) * (vy[2] * (float)a * tot_inv); glVertex3fv(vec); glEnd(); } } else { a=0; - vec[0]= cent[0] + *(sinval+a+start) * (vx[0] * (float)(-a+31)/(float)tot) + *(cosval+a+start) * (vy[0] * (float)(-a+31)/(float)tot); - vec[1]= cent[1] + *(sinval+a+start) * (vx[1] * (float)(-a+31)/(float)tot) + *(cosval+a+start) * (vy[1] * (float)(-a+31)/(float)tot); - vec[2]= cent[2] + *(sinval+a+start) * (vx[2] * (float)(-a+31)/(float)tot) + *(cosval+a+start) * (vy[2] * (float)(-a+31)/(float)tot); + vec[0]= cent[0] + *(sinval+a+start) * (vx[0] * (float)(-a+31) * tot_inv) + *(cosval+a+start) * (vy[0] * (float)(-a+31) * tot_inv); + vec[1]= cent[1] + *(sinval+a+start) * (vx[1] * (float)(-a+31) * tot_inv) + *(cosval+a+start) * (vy[1] * (float)(-a+31) * tot_inv); + vec[2]= cent[2] + *(sinval+a+start) * (vx[2] * (float)(-a+31) * tot_inv) + *(cosval+a+start) * (vy[2] * (float)(-a+31) * tot_inv); for(a=0; a<tot; a++) { if (a+start>31) start=-a + 1; glBegin(GL_LINES); glVertex3fv(vec); - vec[0]= cent[0] + *(sinval+a+start) * (vx[0] * (float)(-a+31)/(float)tot) + *(cosval+a+start) * (vy[0] * (float)(-a+31)/(float)tot); - vec[1]= cent[1] + *(sinval+a+start) * (vx[1] * (float)(-a+31)/(float)tot) + *(cosval+a+start) * (vy[1] * (float)(-a+31)/(float)tot); - vec[2]= cent[2] + *(sinval+a+start) * (vx[2] * (float)(-a+31)/(float)tot) + *(cosval+a+start) * (vy[2] * (float)(-a+31)/(float)tot); + vec[0]= cent[0] + *(sinval+a+start) * (vx[0] * (float)(-a+31) * tot_inv) + *(cosval+a+start) * (vy[0] * (float)(-a+31) * tot_inv); + vec[1]= cent[1] + *(sinval+a+start) * (vx[1] * (float)(-a+31) * tot_inv) + *(cosval+a+start) * (vy[1] * (float)(-a+31) * tot_inv); + vec[2]= cent[2] + *(sinval+a+start) * (vx[2] * (float)(-a+31) * tot_inv) + *(cosval+a+start) * (vy[2] * (float)(-a+31) * tot_inv); glVertex3fv(vec); glEnd(); } |