diff options
author | Campbell Barton <ideasman42@gmail.com> | 2018-10-25 13:04:38 +0300 |
---|---|---|
committer | Campbell Barton <ideasman42@gmail.com> | 2018-10-25 13:05:47 +0300 |
commit | f606ee7637eb26e749bc5c9f4bc914bcfba64ee6 (patch) | |
tree | de80b7164a6cd1bef1b3ea5c3a9594021a980adb /release | |
parent | 6ed9fcbabc77c2de897232be922674e70ed1b62b (diff) |
PyAPI: initial gpu_extras module (circle drawing utility)
Diffstat (limited to 'release')
-rw-r--r-- | release/scripts/modules/gpu_extras/__init__.py | 21 | ||||
-rw-r--r-- | release/scripts/modules/gpu_extras/presets.py | 42 |
2 files changed, 63 insertions, 0 deletions
diff --git a/release/scripts/modules/gpu_extras/__init__.py b/release/scripts/modules/gpu_extras/__init__.py new file mode 100644 index 00000000000..221c7e2da58 --- /dev/null +++ b/release/scripts/modules/gpu_extras/__init__.py @@ -0,0 +1,21 @@ +# ***** BEGIN GPL LICENSE BLOCK ***** +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License +# as published by the Free Software Foundation; either version 2 +# of the License, or (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software Foundation, +# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. +# +# ***** END GPL LICENSE BLOCK ***** + +__all__ = ( + "presets", +) diff --git a/release/scripts/modules/gpu_extras/presets.py b/release/scripts/modules/gpu_extras/presets.py new file mode 100644 index 00000000000..444e3ea24d0 --- /dev/null +++ b/release/scripts/modules/gpu_extras/presets.py @@ -0,0 +1,42 @@ +# ***** BEGIN GPL LICENSE BLOCK ***** +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License +# as published by the Free Software Foundation; either version 2 +# of the License, or (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software Foundation, +# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. +# +# ***** END GPL LICENSE BLOCK ***** + +def draw_circle_2d(position, color, radius, segments): + from math import sin, cos, pi + import gpu + from gpu.types import ( + GPUBatch, + GPUVertBuf, + GPUVertFormat, + ) + + with gpu.matrix.push_pop(): + gpu.matrix.translate(position) + gpu.matrix.scale_uniform(radius) + seg = 32 + mul = (1.0 / (seg - 1)) * (pi * 2) + verts = [(sin(i * mul), cos(i * mul)) for i in range(seg)] + fmt = GPUVertFormat(format=[]) + pos_id = fmt.attr_add(id="pos", comp_type='F32', len=2, fetch_mode='FLOAT') + vbo = GPUVertBuf(len=len(verts), format=fmt) + vbo.attr_fill(id=pos_id, data=verts) + batch = GPUBatch(type='LINE_STRIP', buf=vbo) + shader = gpu.shader.from_builtin('2D_UNIFORM_COLOR') + batch.program_set(shader) + shader.uniform_float("color", color) + batch.draw() |