60 lines
2.5 KiB
GDScript
60 lines
2.5 KiB
GDScript
extends SceneTree
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## Render-Probe (Karte 25.10., Sly: „immer noch harte Kanten beim Malen“):
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## 256-m-Karte (feines Raster 257 = 1 m), Sandpfad mit 2-m-Pinsel, top-down
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## auf 40 m Ausschnitt. Misst die größte Helligkeits-Stufe zwischen
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## Nachbarpixeln quer zur Kante — weich = kleine Stufen über mehrere Pixel.
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## Start (BRAUCHT Rendering): godot --path . --rendering-driver opengl3 -s res://tests/probe_mal_weich_render.gd -- <out.png>
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func _initialize() -> void:
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_run()
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func _run() -> void:
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await process_frame
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await process_frame
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var out := OS.get_cmdline_user_args()[0] if OS.get_cmdline_user_args().size() > 0 else "/tmp/mal_weich.png"
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var size := float(OS.get_environment("PROBE_SIZE")) if OS.get_environment("PROBE_SIZE") != "" else 256.0
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var res := 129
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var mres := SvmapIO.material_resolution_for(res, size, size)
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var heights := PackedFloat32Array()
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heights.resize(res * res)
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var mats := PackedByteArray()
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mats.resize(mres * mres)
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var mb := PackedByteArray()
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mb.resize(mres * mres)
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var mw := PackedByteArray()
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mw.resize(mres * mres)
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var weich := float(OS.get_environment("PROBE_WEICH")) if OS.get_environment("PROBE_WEICH") != "" else 0.0
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var radius := float(OS.get_environment("PROBE_R")) if OS.get_environment("PROBE_R") != "" else 2.0
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for i in 60: # schräger Pfad + Kurve
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var t := float(i) / 59.0
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TerrainField.apply_material_brush_mix(mats, mb, mw, mres, size, size,
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-15.0 + 30.0 * t, -10.0 + 8.0 * sin(t * 3.0), radius, 1, weich)
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var view := Node3D.new()
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view.set_script(load("res://core/viewport/terrain_mesh.gd"))
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root.add_child(view)
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view.call("set_mix", mb, mw)
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view.call("update_heights", heights, res, size, size, mats)
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view.call("set_contours", false)
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var cam := Camera3D.new()
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root.add_child(cam)
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cam.projection = Camera3D.PROJECTION_ORTHOGONAL
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cam.size = 40.0
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cam.position = Vector3(0.0, 50.0, -5.0 + 0.01)
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cam.look_at(Vector3(0, 0, -5.0), Vector3(0, 0, -1))
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cam.current = true
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for i in 4:
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await process_frame
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await RenderingServer.frame_post_draw
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var img := root.get_texture().get_image()
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img.save_png(out)
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# Größte Nachbarpixel-Stufe (Luminanz) im Bild — harte Pixelkanten ≈ volle
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# Sand↔Gras-Differenz in EINEM Pixel, weich = über ~Pixel/Meter verteilt.
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var maxstep := 0.0
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for y in range(0, img.get_height(), 2):
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for x in range(1, img.get_width()):
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var a := img.get_pixel(x - 1, y).get_luminance()
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var b := img.get_pixel(x, y).get_luminance()
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maxstep = maxf(maxstep, absf(a - b))
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print("PROBE_MAXSTEP %.4f mres=%d px/m=%.1f -> %s" % [maxstep, mres, float(img.get_width()) / 40.0, out])
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quit(0)
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