Mark Hoekveen
64 lines
1.4 KiB
GDScript
64 lines
1.4 KiB
GDScript
tool
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extends Spatial
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var map = Image.new()
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var rng = RandomNumberGenerator.new()
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const N: int = 512
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func set_points(n: int) -> void:
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map.lock()
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for i in range(0, n):
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map.set_pixel(rng.randi_range(0, N), rng.randi_range(0, N), Color("#000000"))
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map.unlock()
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func rule(rule, p, c, n) -> bool:
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# Rule 30
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if (p && c && !n) || (p && !c && !n) || (!p && c && n) || (!p && !c && n):
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# Rule 184
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# if (p && c && n) || (p && !c && n) || (p && !c && !n) || (!p && c && n):
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return true
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return false
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func set_ca_texture(rule: int) -> void:
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map.lock()
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var prev_row = []
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var next_row = []
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prev_row.resize(N+1)
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for i in range(0, N):
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if rng.randf() > 0.5:
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prev_row[i] = true
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#map.set_pixel(0, 256, Color("#000000"))
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for i in range(0, N):
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next_row.clear()
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next_row.resize(N+1)
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for j in range(0, N):
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var p
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var n
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var c
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c = prev_row[j]
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if j >= 1 && j < N:
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p = prev_row[j-1]
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n = prev_row[j+1]
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if j == 0:
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p = prev_row[N]
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if j == N:
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n = prev_row[0]
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if self.rule(rule, p, c, n):
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next_row[j] = true;
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map.set_pixel(j, i, Color("#000000"))
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prev_row = next_row.duplicate()
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map.unlock()
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func _ready() -> void:
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rng.randomize()
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map.create(N, N, false, Image.FORMAT_RGB8)
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map.fill(Color("#ffffff"))
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self.set_ca_texture(100)
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var text = ImageTexture.new()
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text.create_from_image(map)
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var mat = get_node("Thing").get_surface_material(0)
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mat.set_texture(0, text)
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