mirror of
https://github.com/godotengine/godot-benchmarks.git
synced 2025-12-31 09:49:13 +03:00
34a1c24f95
This will avoid large diffs later on. This also fixes GDScript warnings across the codebase.
62 lines
1.7 KiB
GDScript
62 lines
1.7 KiB
GDScript
extends Benchmark
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const WIDTH := 600
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const HEIGHT := 400
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const MAX_ITERATION := 1000
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# Method from https://github.com/bliepp/mandelbrot_set_godot/blob/master/shaders/mandelbrot.shader
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# Licensed under MIT
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func hsv(hue: float, sat: float, value: float) -> Color:
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hue = fposmod(hue, 360.0)
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@warning_ignore("integer_division")
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var h := floori(hue) / 60
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var f := hue / 60.0 - h
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var p := value * (1.0 - sat)
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var q := value * (1.0 - sat * f)
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var t = value * (1.0 - sat * (1.0 - f))
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if h == 0 or h == 6:
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return Color(value, t, p)
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if h == 1:
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return Color(q, value, p)
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if h == 2:
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return Color(p, value, t)
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if h == 3:
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return Color(p, q, value)
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if h == 4:
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return Color(t, p, value)
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return Color(value, p, q)
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# Algorithm from
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# https://en.wikipedia.org/wiki/Plotting_algorithms_for_the_Mandelbrot_set#Optimized_escape_time_algorithms
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func mandelbrot_set(width: int, height: int, max_iteration: int) -> void:
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var image := Image.create(width, height, false, Image.FORMAT_RGB8)
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var ratio := float(width) / float(height)
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var x_range := 3.6
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var y_range := x_range / ratio
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var min_x := -x_range / 2
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var max_y := y_range / 2
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for x in image.get_width():
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for y in image.get_height():
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var iteration := 0
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var x0 := min_x + x_range * x / width
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var y0 := max_y - y_range * y / height
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var xx := 0.0
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var yy := 0.0
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var x2 := 0.0
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var y2 := 0.0
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while x2 + y2 <= 4 and iteration < max_iteration:
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yy = 2 * xx * yy + y0
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xx = x2 - y2 + x0
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x2 = xx * xx
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y2 = yy * yy
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iteration += 1
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var m := float(iteration) / float(max_iteration)
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var color := hsv(360.0 * m, 1.0, ceilf(1.0 - 1.1 * m))
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image.set_pixel(x, y, color)
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func benchmark_mandelbrot_set() -> void:
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mandelbrot_set(WIDTH, HEIGHT, MAX_ITERATION)
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