def render(self, target: np.array, z_buffer: np.array, mesh: Mesh, **uniforms):
positions, outputs = self.vertex_shader(mesh.vertices, mesh.vertex_normals, uniforms)
screen = get_screen(to_clip(positions), resolution(target))
z_buffer.fill(np.inf)
for face in mesh.faces:
varying = {k: v[face] for k, v in outputs.items()}
draw_triangle(
target,
z_buffer,
screen[face],
self.fragment_shader,
varying)
def Split(self, data: np.array, outer: np.array, middle: np.array,
inner: np.array, height: int, width: int):
assert len(data.shape) >= 2
assert len(outer.shape) >= 2
assert len(middle.shape) >= 2
assert len(inner.shape) >= 2
s0 = max(0, math.floor((data.shape[0] - height) / 2))
s1 = max(0, math.floor((data.shape[1] - width) / 2))
e0 = min(data.shape[0], math.ceil((data.shape[0] + height) / 2))
e1 = min(data.shape[1], math.ceil((data.shape[1] + width) / 2))
np.resize(outer, data.shape)
np.resize(middle, data.shape)
np.resize(inner, data.shape)
outer.fill(0)
middle.fill(0)
inner.fill(0)
inner[s0:e0, s1:e1] = data[s0:e0, s1:e1]
outer[:s0, :s1] = data[:s0, :s1]
outer[:s0, e1:] = data[:s0, e1:]
outer[e0:, :s1] = data[e0:, :s1]
outer[e0:, e1:] = data[e0:, e1:]
middle[:s0, s1:e1] = data[:s0, s1:e1]
middle[e0:, s1:e1] = data[e0:, s1:e1]
middle[s0:e0, :s1] = data[s0:e0, :s1]
middle[s0:e0, e1:] = data[s0:e0, e1:]
def normalize(self, item: np.array):
if np.max(item) - np.min(item) != 0:
return np.divide(item + np.min(item), np.max(item) - np.min(item))
else:
item.fill(1)
return item
