diff options
Diffstat (limited to 'mesh_snap_utilities_line/snap_context_l/__init__.py')
| -rw-r--r-- | mesh_snap_utilities_line/snap_context_l/__init__.py | 30 |
1 files changed, 21 insertions, 9 deletions
diff --git a/mesh_snap_utilities_line/snap_context_l/__init__.py b/mesh_snap_utilities_line/snap_context_l/__init__.py index 7fa15215..aed904f6 100644 --- a/mesh_snap_utilities_line/snap_context_l/__init__.py +++ b/mesh_snap_utilities_line/snap_context_l/__init__.py @@ -118,7 +118,7 @@ class _SnapOffscreen(): bgl.glBindTexture(bgl.GL_TEXTURE_2D, self.buf_color[0]) bgl.glTexImage2D( bgl.GL_TEXTURE_2D, 0, bgl.GL_R32UI, self.width, self.height, - 0, bgl.GL_RED_INTEGER, bgl.GL_UNSIGNED_INT, NULL) + 0, bgl.GL_RED_INTEGER, bgl.GL_UNSIGNED_INT, None) del NULL bgl.glTexParameteri(bgl.GL_TEXTURE_2D, bgl.GL_TEXTURE_MIN_FILTER, bgl.GL_NEAREST) @@ -266,6 +266,24 @@ class SnapContext(): return snap_obj return None + def _read_buffer(self, mval): + xmin = int(mval[0]) - self._dist_px + ymin = int(mval[1]) - self._dist_px + size_x = size_y = self.threshold + + if xmin < 0: + #size_x += xmin + xmin = 0 + + if ymin < 0: + #size_y += ymin + ymin = 0 + + bgl.glReadBuffer(bgl.GL_COLOR_ATTACHMENT0) + bgl.glReadPixels( + xmin, ymin, size_x, size_y, + bgl.GL_RED_INTEGER, bgl.GL_UNSIGNED_INT, self._snap_buffer) + def _get_nearest_index(self): r_snap_obj = None r_value = 0 @@ -507,7 +525,7 @@ class SnapContext(): if bbmin != bbmax: MVP = proj_mat @ snap_obj.mat - mat_inv = snap_obj.mat.inverted() + mat_inv = snap_obj.mat.inverted_safe() ray_orig_local = mat_inv @ ray_orig ray_dir_local = mat_inv.to_3x3() @ ray_dir in_threshold = _Internal.intersect_boundbox_threshold( @@ -542,13 +560,7 @@ class SnapContext(): self.drawn_count += 1 - bgl.glReadBuffer(bgl.GL_COLOR_ATTACHMENT0) - - bgl.glReadPixels( - int(self.mval[0]) - self._dist_px, int(self.mval[1]) - self._dist_px, - self.threshold, self.threshold, bgl.GL_RED_INTEGER, bgl.GL_UNSIGNED_INT, self._snap_buffer) - - #bgl.glReadBuffer(bgl.GL_BACK) + self._read_buffer(mval) #import numpy as np #a = np.array(self._snap_buffer) #print(a) |