MateuszSkoczek/3DRenderer
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drawing fixed

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Mateusz Skoczek
2024-04-23 14:53:26 +02:00
Unverified
parent 0644f61523
commit afc9db7a14
2 changed files with 9 additions and 5 deletions
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4
src/app.py
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@@ -6,7 +6,7 @@ class App:
def __init__(self):
self.renderer = Renderer(1280, 720)
self.renderer.caption = "Virtual camera"
self.renderer.caption = "3D Renderer"
def main(self):
obj_builder1 = ObjectBuilder()
@@ -31,7 +31,7 @@ class App:
obj_builder1.add_vertices_connection(vd, vh)
obj_builder1.add_vertices_connection(vc, vg)
self.renderer.add_object(obj_builder1.build())
obj_builder2 = ObjectBuilder()
wa = obj_builder2.add_vertex(-2, 0, 2)
wb = obj_builder2.add_vertex( 2, 0, 2)

10
src/object.py
View File

@@ -17,19 +17,23 @@ class Object:
def draw(self):
vertices_matrix = np.array([[v.x, v.y, v.z, 1.0] for v in self.vertices])
vertices_matrix = vertices_matrix @ self.__renderer.camera.camera_matrix()
hidden_vertices = [row[0, 2] <= 0 for row in vertices_matrix]
vertices_matrix = vertices_matrix @ self.__renderer.camera.projection_matrix()
vertices_matrix /= vertices_matrix[:, -1].reshape(-1, 1)
vertices_matrix = vertices_matrix @ self.__renderer.camera.screen_matrix()
vertices_matrix = vertices_matrix[:, :2]
vertices = {}
for i in range(len(self.vertices)):
vertices[self.vertices[i]] = vertices_matrix[i].tolist()[0]
if not hidden_vertices[i]:
vertices[self.vertices[i]] = vertices_matrix[i].tolist()[0]
for v in vertices.values():
pg.draw.circle(self.__renderer.screen, pg.Color("black"), v, 2)
for l in self.lines:
v1 = vertices[l[0]]
v2 = vertices[l[1]]
v1 = vertices.get(l[0])
v2 = vertices.get(l[1])
if (v1 is None or v2 is None):
continue
pg.draw.line(self.__renderer.screen, pg.Color("black"), v1, v2, 1)