def test_create_quad_rgba_values(self):
v, i = geometry.create_quad(rgba=((0.1,0.2,0.3,0.4),(0.5,0.6,0.7,0.8),(0.9,1.0,1.1,1.2),(1.3,1.4,1.5,1.6)))
expected_v = np.array([
[ 0.5, 0.5, 0., .1, .2, .3, .4],
[-0.5, 0.5, 0., .5, .6, .7, .8],
[-0.5,-0.5, 0., .9, 1., 1.1, 1.2],
[ 0.5,-0.5, 0., 1.3, 1.4, 1.5, 1.6],
])
expected_i = np.array([0,1,2,0,2,3])
self.assertTrue(np.allclose(v, expected_v), (v,))
self.assertTrue(np.array_equal(i, expected_i))
def test_create_quad_rgba(self):
v, i = geometry.create_quad(rgba=True)
expected_v = np.array([
[ 0.5, 0.5, 0., 1., 1., 1., 1.],
[-0.5, 0.5, 0., 1., 1., 1., 1.],
[-0.5,-0.5, 0., 1., 1., 1., 1.],
[ 0.5,-0.5, 0., 1., 1., 1., 1.],
])
expected_i = np.array([0,1,2,0,2,3])
self.assertTrue(np.allclose(v, expected_v), (v,))
self.assertTrue(np.array_equal(i, expected_i))
def test_create_quad_scale(self):
v, i = geometry.create_quad((2.0,0.5))
expected_v = np.array([
[ 1., 0.25, 0.],
[-1., 0.25, 0.],
[-1.,-0.25, 0.],
[ 1.,-0.25, 0.],
])
expected_i = np.array([0,1,2,0,2,3])
self.assertTrue(np.allclose(v, expected_v), (v,))
self.assertTrue(np.array_equal(i, expected_i))
def test_create_quad_st_values(self):
v, i = geometry.create_quad(st=((0.1,0.2),(0.3,0.4)))
expected_v = np.array([
[ 0.5, 0.5, 0., 0.3, 0.4],
[-0.5, 0.5, 0., 0.1, 0.4],
[-0.5,-0.5, 0., 0.1, 0.2],
[ 0.5,-0.5, 0., 0.3, 0.2],
])
expected_i = np.array([0,1,2,0,2,3])
self.assertTrue(np.allclose(v, expected_v), (v,))
self.assertTrue(np.array_equal(i, expected_i))
import textwrap
import numpy
from OpenGL import GL
from pygly.shader import Shader, VertexShader, FragmentShader, ShaderProgram
from pygly.vertex_buffer import VertexBuffer, BufferAttributes, GenericAttribute, VertexAttribute, TextureCoordAttribute
from pygly.vertex_array import VertexArray
from pyrr import geometry
vertices, indices = geometry.create_quad(scale=(5.0,5.0), st=True, dtype='float32')
vertices = vertices[indices]
vertices.dtype = [
('position', 'float32', (3,)),
('texture_coord', 'float32', (2,)),
]
def create( core_profile = True ):
if core_profile:
return CoreQuad()
else:
return LegacyQuad()
class CoreQuad( object ):
vertex_shader = textwrap.dedent( """
#version 150
