static void InputVector(TransInfo *t, MouseInput *mi, const int mval[2], float output[3])
{
float vec[3], dvec[3];
if (mi->precision) {
/* calculate the main translation and the precise one separate */
convertViewVec(t, dvec, (mval[0] - mi->precision_mval[0]), (mval[1] - mi->precision_mval[1]));
mul_v3_fl(dvec, 0.1f);
convertViewVec(t, vec, (mi->precision_mval[0] - t->imval[0]), (mi->precision_mval[1] - t->imval[1]));
add_v3_v3v3(output, vec, dvec);
}
else {
convertViewVec(t, output, (mval[0] - t->imval[0]), (mval[1] - t->imval[1]));
}
}
void drawConstraint(TransInfo *t)
{
TransCon *tc = &(t->con);
if (!ELEM(t->spacetype, SPACE_VIEW3D, SPACE_IMAGE, SPACE_NODE))
return;
if (!(tc->mode & CON_APPLY))
return;
if (t->flag & T_USES_MANIPULATOR)
return;
if (t->flag & T_NO_CONSTRAINT)
return;
/* nasty exception for Z constraint in camera view */
// TRANSFORM_FIX_ME
// if ((t->flag & T_OBJECT) && G.vd->camera==OBACT && G.vd->persp==V3D_CAMOB)
// return;
if (tc->drawExtra) {
tc->drawExtra(t);
}
else {
if (tc->mode & CON_SELECT) {
float vec[3];
char col2[3] = {255, 255, 255};
int depth_test_enabled;
convertViewVec(t, vec, (t->mval[0] - t->con.imval[0]), (t->mval[1] - t->con.imval[1]));
add_v3_v3(vec, t->center_global);
drawLine(t, t->center_global, tc->mtx[0], 'X', 0);
drawLine(t, t->center_global, tc->mtx[1], 'Y', 0);
drawLine(t, t->center_global, tc->mtx[2], 'Z', 0);
glColor3ubv((GLubyte *)col2);
depth_test_enabled = glIsEnabled(GL_DEPTH_TEST);
if (depth_test_enabled)
glDisable(GL_DEPTH_TEST);
setlinestyle(1);
glBegin(GL_LINE_STRIP);
glVertex3fv(t->center_global);
glVertex3fv(vec);
glEnd();
setlinestyle(0);
if (depth_test_enabled)
glEnable(GL_DEPTH_TEST);
}
if (tc->mode & CON_AXIS0) {
drawLine(t, t->center_global, tc->mtx[0], 'X', DRAWLIGHT);
}
if (tc->mode & CON_AXIS1) {
drawLine(t, t->center_global, tc->mtx[1], 'Y', DRAWLIGHT);
}
if (tc->mode & CON_AXIS2) {
drawLine(t, t->center_global, tc->mtx[2], 'Z', DRAWLIGHT);
}
}
}
static void InputVector(TransInfo *t, MouseInput *mi, const double mval[2], float output[3])
{
convertViewVec(t, output, mval[0] - mi->imval[0], mval[1] - mi->imval[1]);
}
void drawConstraint(TransInfo *t)
{
TransCon *tc = &(t->con);
if (!ELEM(t->spacetype, SPACE_VIEW3D, SPACE_IMAGE, SPACE_NODE)) {
return;
}
if (!(tc->mode & CON_APPLY)) {
return;
}
if (t->flag & T_NO_CONSTRAINT) {
return;
}
if (tc->drawExtra) {
tc->drawExtra(t);
}
else {
if (tc->mode & CON_SELECT) {
float vec[3];
int depth_test_enabled;
convertViewVec(t, vec, (t->mval[0] - t->con.imval[0]), (t->mval[1] - t->con.imval[1]));
add_v3_v3(vec, t->center_global);
drawLine(t, t->center_global, tc->mtx[0], 'X', 0);
drawLine(t, t->center_global, tc->mtx[1], 'Y', 0);
drawLine(t, t->center_global, tc->mtx[2], 'Z', 0);
depth_test_enabled = GPU_depth_test_enabled();
if (depth_test_enabled) {
GPU_depth_test(false);
}
const uint shdr_pos = GPU_vertformat_attr_add(
immVertexFormat(), "pos", GPU_COMP_F32, 3, GPU_FETCH_FLOAT);
immBindBuiltinProgram(GPU_SHADER_3D_LINE_DASHED_UNIFORM_COLOR);
float viewport_size[4];
GPU_viewport_size_get_f(viewport_size);
immUniform2f("viewport_size", viewport_size[2], viewport_size[3]);
immUniform1i("colors_len", 0); /* "simple" mode */
immUniformColor4f(1.0f, 1.0f, 1.0f, 1.0f);
immUniform1f("dash_width", 2.0f);
immUniform1f("dash_factor", 0.5f);
immBegin(GPU_PRIM_LINES, 2);
immVertex3fv(shdr_pos, t->center_global);
immVertex3fv(shdr_pos, vec);
immEnd();
immUnbindProgram();
if (depth_test_enabled) {
GPU_depth_test(true);
}
}
if (tc->mode & CON_AXIS0) {
drawLine(t, t->center_global, tc->mtx[0], 'X', DRAWLIGHT);
}
if (tc->mode & CON_AXIS1) {
drawLine(t, t->center_global, tc->mtx[1], 'Y', DRAWLIGHT);
}
if (tc->mode & CON_AXIS2) {
drawLine(t, t->center_global, tc->mtx[2], 'Z', DRAWLIGHT);
}
}
}