def step_impl(context):
context.c2 = Color(0, 0.5, 0)
def step_impl(context):
context.red = Color(1, 0, 0)
def step_impl(context):
context.c1 = Color(1.5, 0, 0)
def step_impl(context):
for x in range(context.c.width):
for y in range(context.c.height):
context.c.set_pixel(x, y, Color(1, 0.8, 0.6))
def step_impl(context):
for x in range(context.c.width):
for y in range(context.c.height):
assert context.c.get_pixel(x, y) == Color(0, 0, 0)
def step_impl(context):
context.c1 = Color(0.9, 0.6, 0.75)
wind: Vector
def __init__(self, gravity: Vector, wind: Vector):
self.gravity = gravity
self.wind = wind
def tick(proj: Projectile, env: Environment):
position = proj.position + proj.velocity
velocity = proj.velocity + env.gravity + env.wind
return Projectile(position, velocity)
start = Point(0, 1, 0)
velocity = Vector(1, 1.8, 0).normal * 11.25
p = Projectile(start, velocity)
gravity = Vector(0, -0.1, 0)
wind = Vector(-0.01, 0, 0)
e = Environment(gravity, wind)
c = Canvas(900, 550)
color = Color(1.0, 0, 0)
while p.position.y >= 0:
c.set_pixel(int(p.position.x), 500 - int(p.position.y), color)
p = tick(p, e)
print(c.ppm)
def step_impl(context):
context.c1 = Color(1, 0.2, 0.4)
def step_impl(context):
context.c2 = Color(0.9, 1, 0.1)
def step_impl(context):
context.c = Color(0.2, 0.3, 0.4)
def step_impl(context):
assert context.c * 2 == Color(0.4, 0.6, 0.8)
def step_impl(context):
assert context.c1 - context.c2 == Color(0.2, 0.5, 0.5)
def step_impl(context):
assert context.c1 + context.c2 == Color(1.6, 0.7, 1.0)
def step_impl(context):
context.c2 = Color(0.7, 0.1, 0.25)
def step_impl(context):
context.c3 = Color(-0.5, 0, 1)
def step_impl(context):
assert context.c1 * context.c2 == Color(0.9, 0.2, 0.04)
def __init__(self, width: int, height: int):
self._canvas = [[Color() for j in range(width)] for i in range(height)]
def step_impl(context):
context.c = Color(-0.5, 0.4, 1.7)