def shape_triangles_mat4_attribute(cfg):
cfg.aspect_ratio = (1, 1)
p0, p1, p2 = equilateral_triangle_coords(1)
geometry = ngl.Triangle(p0, p1, p2)
matrices = ngl.BufferMat4(data=array.array(
"f",
[
# fmt: off
1.0,
0.0,
0.0,
0.0,
0.0,
1.0,
0.0,
0.0,
0.0,
0.0,
1.0,
0.0,
-0.5,
0.0,
0.0,
1.0,
1.0,
0.0,
0.0,
0.0,
0.0,
1.0,
0.0,
0.0,
0.0,
0.0,
1.0,
0.0,
0.5,
0.0,
0.0,
1.0,
# fmt: on
],
))
program = ngl.Program(
vertex=TRIANGLES_MAT4_ATTRIBUTE_VERT,
fragment=cfg.get_frag("color"),
)
render = ngl.Render(geometry, program, nb_instances=2)
render.update_instance_attributes(matrix=matrices)
render.update_frag_resources(color=ngl.UniformVec3(value=COLORS.orange),
opacity=ngl.UniformFloat(1))
return render
def shape_triangles_mat4_attribute(cfg):
cfg.aspect_ratio = (1, 1)
p0, p1, p2 = equilateral_triangle_coords(1)
geometry = ngl.Triangle(p0, p1, p2)
matrices = ngl.BufferMat4(data=array.array('f', [
1.0,
0.0,
0.0,
0.0,
0.0,
1.0,
0.0,
0.0,
0.0,
0.0,
1.0,
0.0,
-0.5,
0.0,
0.0,
1.0,
1.0,
0.0,
0.0,
0.0,
0.0,
1.0,
0.0,
0.0,
0.0,
0.0,
1.0,
0.0,
0.5,
0.0,
0.0,
1.0,
]))
program = ngl.Program(
vertex=TRIANGLES_MAT4_ATTRIBUTE_VERT,
fragment=cfg.get_frag('color'),
)
render = ngl.Render(geometry, program, nb_instances=2)
render.update_instance_attributes(matrix=matrices)
render.update_uniforms(color=ngl.UniformVec4(value=COLORS['orange']))
return render
animated_buffer_vec2=lambda data: ngl.AnimatedBufferVec2(
keyframes=_get_anim_kf(ngl.AnimKeyFrameBuffer, data)),
animated_buffer_vec3=lambda data: ngl.AnimatedBufferVec3(
keyframes=_get_anim_kf(ngl.AnimKeyFrameBuffer, data)),
animated_buffer_vec4=lambda data: ngl.AnimatedBufferVec4(
keyframes=_get_anim_kf(ngl.AnimKeyFrameBuffer, data)),
animated_quat_mat4=lambda data: ngl.AnimatedQuat(
keyframes=_get_anim_kf(ngl.AnimKeyFrameQuat, data), as_mat4=True),
animated_quat_vec4=lambda data: ngl.AnimatedQuat(
keyframes=_get_anim_kf(ngl.AnimKeyFrameQuat, data), as_mat4=False),
array_float=lambda data: ngl.BufferFloat(data=data),
array_int=lambda data: ngl.BufferInt(data=data),
array_ivec2=lambda data: ngl.BufferIVec2(data=data),
array_ivec3=lambda data: ngl.BufferIVec3(data=data),
array_ivec4=lambda data: ngl.BufferIVec4(data=data),
array_mat4=lambda data: ngl.BufferMat4(data=data),
array_vec2=lambda data: ngl.BufferVec2(data=data),
array_vec3=lambda data: ngl.BufferVec3(data=data),
array_vec4=lambda data: ngl.BufferVec4(data=data),
single_bool=lambda data: ngl.UniformBool(data),
single_float=lambda data: ngl.UniformFloat(data),
single_int=lambda data: ngl.UniformInt(data),
single_ivec2=lambda data: ngl.UniformIVec2(data),
single_ivec3=lambda data: ngl.UniformIVec3(data),
single_ivec4=lambda data: ngl.UniformIVec4(data),
single_uint=lambda data: ngl.UniformUInt(data),
single_uvec2=lambda data: ngl.UniformUIVec2(data),
single_uvec3=lambda data: ngl.UniformUIVec3(data),
single_uvec4=lambda data: ngl.UniformUIVec4(data),
single_mat4=lambda data: ngl.UniformMat4(data),
single_quat_mat4=lambda data: ngl.UniformQuat(data, as_mat4=True),