108 lines
3.3 KiB
Python
108 lines
3.3 KiB
Python
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# Alexander Bass
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# Created 4/13/24
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# Last Edited 4/13/24
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from point import Point, Rotator
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from util import to_rad
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import ppm
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from itertools import product
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from entity import PointBlobEntity
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import math
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DIRT = ppm.load_ppm(open("dirt.ppm", "r"))
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GRASS_TOP = ppm.load_ppm(open("grass_side.ppm", "r"))
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GRASS_SIDE = ppm.load_ppm(open("grass_top.ppm", "r"))
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def mix_color_transparency(left, right):
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for a in left:
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if a > 0:
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return left
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return right
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def mul_color(a, b):
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return (a[0] * b[0], a[1] * b[1], a[2] * b[2])
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def mul_color_scalar(a, b):
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return (a[0] * b, a[1] * b, a[2] * b)
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def cube(dirt, g_sides, g_top, face_x, face_y):
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GRASS_COLOR_MUL = (0.4, 1, 0.4)
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out = []
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image_size = 16
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point_count = 20
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world_width = 16
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for x, y in product(range(point_count), range(point_count)):
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# Scale x and y to be from 0 to 1 to be later scaled back for any respective coordinate system
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x /= point_count
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y /= point_count
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dirt_color = dirt[round(y * image_size)][round(x * image_size)]
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top_col = g_top[round(y * image_size)][round(x * image_size)]
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grass_side_color = g_sides[int(y * image_size)][int(x * image_size)]
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grass_side_color = mul_color(grass_side_color, GRASS_COLOR_MUL)
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top_col = mul_color(top_col, GRASS_COLOR_MUL)
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side_color = mix_color_transparency(grass_side_color, dirt_color)
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b_red, b_green, b_blue = dirt_color
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t_red, t_green, t_blue = top_col
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s_red, s_green, s_blue = side_color
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x_w = x * world_width
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y_w = y * world_width
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w_w = world_width
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if face_x == -1 or face_x == 1 and face_y == 0:
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out.append(Point().set_xyz(0, x_w, y_w).set_color(s_red, s_green, s_blue))
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if face_x == 1 or face_x == -1 and face_y == 0:
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out.append(Point().set_xyz(w_w, x_w, y_w).set_color(s_red, s_green, s_blue))
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if face_y == -1 or face_y == 1 and face_x == 0:
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out.append(Point().set_xyz(x_w, 0, y_w).set_color(s_red, s_green, s_blue))
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if face_y == 1 or face_y == -1 and face_x == 0:
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out.append(Point().set_xyz(x_w, w_w, y_w).set_color(s_red, s_green, s_blue))
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# Top and bottom faces
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out.append(Point().set_xyz(x_w, y_w, w_w).set_color(b_red, b_green, b_blue))
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out.append(Point().set_xyz(x_w, y_w, 0).set_color(t_red, t_green, t_blue))
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for p in out:
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p.translate_x(face_x * world_width - world_width / 2)
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p.translate_y(face_y * world_width - world_width / 2)
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p.translate_z(-world_width / 2)
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p.rotate_z(to_rad(90))
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p.rotate_y(45 * 3)
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pass
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return out
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class DonutEntity(PointBlobEntity):
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def __init__(self):
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super().__init__()
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points = []
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for x, y in product((-1, 0, 1), (-1, 0, 1)):
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if x == y == 0:
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continue
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points.extend(cube(DIRT, GRASS_TOP, GRASS_SIDE, x, y))
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self.set_points(points)
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def update(self, t):
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tf = Rotator()
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tf.rotate_y(math.cos(t / 25) * 0.5)
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# tf.rotate_z(0.02)
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tf.rotate_x(math.sin(t / 20) * 0.5 + 0.02)
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tf.build()
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for p in self.points:
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p.rotate(tf)
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pass
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def shift(self, x, y, z):
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for p in self.points:
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p.translate(x, y, z)
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