Rotate the Square Around Paddle 1 - Demo 13

Purpose

Rotate the square around paddle1’s center.

Demo 13

Demo 13

Move the Paddles using the Keyboard

Keyboard Input

Action

w

Move Left Paddle Up

s

Move Left Paddle Down

k

Move Right Paddle Down

i

Move Right Paddle Up

d

Increase Left Paddle’s Rotation

a

Decrease Left Paddle’s Rotation

l

Increase Right Paddle’s Rotation

j

Decrease Right Paddle’s Rotation

UP

Move the camera up, moving the objects down

DOWN

Move the camera down, moving the objects up

LEFT

Move the camera left, moving the objects right

RIGHT

Move the camera right, moving the objects left

q

Rotate the square around its center

e

Rotate the square around paddle 1’s center

Description

Cayley Graph

Demo 13

Demo 13

src/demo13/demo.py
193rotation_around_paddle1: float = 0.0

Event Loop

src/demo13/demo.py
245while not glfw.window_should_close(window):

...
src/demo13/demo.py
273    glColor3f(0.0, 0.0, 1.0)
274    glBegin(GL_QUADS)
275    for model_space in square:
276        paddle_1_space: Vertex = model_space.rotate(square_rotation) \
277                                            .translate(Vertex(x=2.0, y=0.0)) \
278                                            .rotate(rotation_around_paddle1)
279        world_space: Vertex = paddle_1_space.rotate(paddle1.rotation) \
280                                            .translate(paddle1.position)
281        camera_space: Vertex = world_space.translate(-camera.position_worldspace)
282        ndc_space: Vertex = camera_space.uniform_scale(scalar=1.0/10.0)
283        glVertex2f(ndc_space.x, ndc_space.y)
284    glEnd()