Fix errors in editable terrain painting calculations
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0b19b97293
commit
81abb0d8d9
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editor.scn (Stored with Git LFS)
BIN
editor.scn (Stored with Git LFS)
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@ -36,13 +36,11 @@ var size := Vector2i.ZERO:
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size = value
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func _get_draw_area(point: Vector2i, mask: Image, scale: float) -> Rect2i:
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# Convert worldspace point to image-space coordinates for brush and calculate drawable area.
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var mask_size := mask.get_size()
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var scaled_mask_size := mask_size * scale
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func _get_brush_area(point: Vector2i, mask_size: Vector2i, scale: float) -> Rect2i:
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# Convert worldspace point to image-space coordinates for mask.
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var scaled_mask_size := Vector2i(mask_size * scale)
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return Rect2i(Vector2i.ZERO, size).intersection(
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Rect2i((point - Vector2i(scaled_mask_size * 0.5)) + Vector2i(size * 0.5), scaled_mask_size))
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return Rect2i((point + Vector2i(size * 0.5)) - Vector2i(scaled_mask_size * 0.5), scaled_mask_size)
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func _init() -> void:
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clear(BLANK)
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@ -59,22 +57,29 @@ func clear(clear_color: Color) -> void:
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##
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##
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##
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func lower(point: Vector2i, mask: Image, scale: float, intensity: float, delta: float) -> void:
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var draw_area := _get_draw_area(point, mask, scale)
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func oscillate(point: Vector2i, level: float,
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mask: Image, scale: float, intensity: float, delta: float) -> void:
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if draw_area.has_area():
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var mask_ratio := mask.get_size() / draw_area.size
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var mask_size := mask.get_size()
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var brush_source := _get_brush_area(point, mask_size, scale)
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for y in draw_area.size.y:
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var brush_mask_y := int(y * mask_ratio.y)
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if brush_source.has_area():
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var brush_target := Rect2i(Vector2i.ZERO, size).intersection(brush_source)
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for x in draw_area.size.x:
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var terrain_map_coord := draw_area.position + Vector2i(x, y)
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var pixel := _image.get_pixelv(terrain_map_coord)
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if brush_target.has_area():
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var mask_ratio := mask_size / brush_source.size
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var offset := brush_target.position - brush_source.position
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_image.set_pixelv(terrain_map_coord, Color(pixel.r, pixel.g, pixel.b,
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lerpf(pixel.a, pixel.a - (intensity *
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mask.get_pixel(int(x * mask_ratio.x), brush_mask_y).a), delta)).clamp())
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for y in brush_target.size.y:
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var mask_y := int((offset.y + y) * mask_ratio.y)
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for x in brush_target.size.x:
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var coord := brush_target.position + Vector2i(x, y)
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var pixel := _image.get_pixelv(coord)
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_image.set_pixelv(coord, Color(pixel.r, pixel.g, pixel.b,
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lerpf(pixel.a, level, intensity * delta *\
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mask.get_pixel(int((offset.x + x) * mask_ratio.x), mask_y).a)).clamp())
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if instance != null:
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instance.terrain_map.update(_image)
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@ -82,134 +87,33 @@ func lower(point: Vector2i, mask: Image, scale: float, intensity: float, delta:
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##
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##
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##
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func paint_blue(point: Vector2i, mask: Image, scale: float, intensity: float, delta: float) -> void:
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var draw_area := _get_draw_area(point, mask, scale)
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func paint(point: Vector2i, color: Color,
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mask: Image, scale: float, intensity: float, delta: float) -> void:
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if draw_area.has_area():
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var mask_ratio := mask.get_size() / draw_area.size
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var mask_size := mask.get_size()
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var brush_source := _get_brush_area(point, mask_size, scale)
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for y in draw_area.size.y:
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var brush_mask_y := int(y * mask_ratio.y)
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if brush_source.has_area():
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var brush_target := Rect2i(Vector2i.ZERO, size).intersection(brush_source)
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for x in draw_area.size.x:
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var terrain_map_coord := draw_area.position + Vector2i(x, y)
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var pixel := _image.get_pixelv(terrain_map_coord)
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if brush_target.has_area():
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var mask_ratio := mask_size / brush_source.size
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var offset := brush_target.position - brush_source.position
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var mask_intensity_delta := intensity *\
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delta * mask.get_pixel(int(x * mask_ratio.x), brush_mask_y).a
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for y in brush_target.size.y:
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var mask_y := int((offset.y + y) * mask_ratio.y)
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_image.set_pixelv(terrain_map_coord, Color(
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lerpf(pixel.r, 0.0, mask_intensity_delta),
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lerpf(pixel.g, 0.0, mask_intensity_delta),
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lerpf(pixel.b, 1.0, mask_intensity_delta),
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pixel.a).clamp())
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for x in brush_target.size.x:
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var coord := brush_target.position + Vector2i(x, y)
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var pixel := _image.get_pixelv(coord)
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if instance != null:
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instance.terrain_map.update(_image)
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var mask_intensity_delta := intensity * delta *\
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mask.get_pixel(int((offset.x + x) * mask_ratio.x), mask_y).a
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##
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##
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##
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func paint_erase(point: Vector2i, mask: Image, scale: float, intensity: float, delta: float) -> void:
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var draw_area := _get_draw_area(point, mask, scale)
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if draw_area.has_area():
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var mask_ratio := mask.get_size() / draw_area.size
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for y in draw_area.size.y:
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var brush_mask_y := int(y * mask_ratio.y)
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for x in draw_area.size.x:
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var terrain_map_coord := draw_area.position + Vector2i(x, y)
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var pixel := _image.get_pixelv(terrain_map_coord)
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var mask_intensity_delta := intensity *\
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delta * mask.get_pixel(int(x * mask_ratio.x), brush_mask_y).a
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_image.set_pixelv(terrain_map_coord, Color(
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lerpf(pixel.r, 0.0, mask_intensity_delta),
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lerpf(pixel.g, 0.0, mask_intensity_delta),
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lerpf(pixel.b, 0.0, mask_intensity_delta),
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pixel.a).clamp())
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if instance != null:
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instance.terrain_map.update(_image)
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##
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##
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##
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func paint_green(point: Vector2i, mask: Image, scale: float, intensity: float, delta: float) -> void:
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var draw_area := _get_draw_area(point, mask, scale)
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if draw_area.has_area():
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var mask_ratio := mask.get_size() / draw_area.size
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for y in draw_area.size.y:
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var brush_mask_y := int(y * mask_ratio.y)
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for x in draw_area.size.x:
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var terrain_map_coord := draw_area.position + Vector2i(x, y)
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var pixel := _image.get_pixelv(terrain_map_coord)
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var mask_intensity_delta := intensity *\
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delta * mask.get_pixel(int(x * mask_ratio.x), brush_mask_y).a
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_image.set_pixelv(terrain_map_coord, Color(
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lerpf(pixel.r, 0.0, mask_intensity_delta),
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lerpf(pixel.g, 1.0, mask_intensity_delta),
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lerpf(pixel.b, 0.0, mask_intensity_delta),
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pixel.a).clamp())
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if instance != null:
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instance.terrain_map.update(_image)
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##
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##
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##
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func paint_red(point: Vector2i, mask: Image, scale: float, intensity: float, delta: float) -> void:
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var draw_area := _get_draw_area(point, mask, scale)
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if draw_area.has_area():
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var mask_ratio := mask.get_size() / draw_area.size
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for y in draw_area.size.y:
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var brush_mask_y := int(y * mask_ratio.y)
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for x in draw_area.size.x:
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var terrain_map_coord := draw_area.position + Vector2i(x, y)
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var pixel := _image.get_pixelv(terrain_map_coord)
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var mask_intensity_delta := intensity *\
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delta * mask.get_pixel(int(x * mask_ratio.x), brush_mask_y).a
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_image.set_pixelv(terrain_map_coord, Color(
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lerpf(pixel.r, 1.0, mask_intensity_delta),
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lerpf(pixel.g, 0.0, mask_intensity_delta),
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lerpf(pixel.b, 0.0, mask_intensity_delta),
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pixel.a).clamp())
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if instance != null:
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instance.terrain_map.update(_image)
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##
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##
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##
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func raise(point: Vector2i, mask: Image, scale: float, intensity: float, delta: float) -> void:
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var draw_area := _get_draw_area(point, mask, scale)
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if draw_area.has_area():
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var mask_ratio := mask.get_size() / draw_area.size
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for y in draw_area.size.y:
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var brush_mask_y := int(y * mask_ratio.y)
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for x in draw_area.size.x:
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var terrain_map_coord := draw_area.position + Vector2i(x, y)
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var pixel := _image.get_pixelv(terrain_map_coord)
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_image.set_pixelv(terrain_map_coord, Color(pixel.r, pixel.g, pixel.b,
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lerpf(pixel.a, pixel.a + (intensity *
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mask.get_pixel(int(x * mask_ratio.x), brush_mask_y).a), delta)).clamp())
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_image.set_pixelv(coord, Color(
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lerpf(pixel.r, color.r, mask_intensity_delta),
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lerpf(pixel.g, color.g, mask_intensity_delta),
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lerpf(pixel.b, color.b, mask_intensity_delta), pixel.a).clamp())
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if instance != null:
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instance.terrain_map.update(_image)
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@ -228,26 +132,3 @@ func sample(point: Vector2i) -> Color:
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return _image.get_pixelv(image_point)
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return BLANK
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##
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##
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##
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func smooth(point: Vector2i, mask: Image, scale: float, level: float, delta: float) -> void:
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var draw_area := _get_draw_area(point, mask, scale)
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if draw_area.has_area():
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var mask_ratio := mask.get_size() / draw_area.size
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for y in draw_area.size.y:
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var brush_mask_y := int(y * mask_ratio.y)
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for x in draw_area.size.x:
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var terrain_map_coord := draw_area.position + Vector2i(x, y)
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var pixel := _image.get_pixelv(terrain_map_coord)
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_image.set_pixelv(terrain_map_coord, Color(pixel.r, pixel.g, pixel.b,
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lerpf(pixel.a, level, delta * mask.get_pixel(
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int(x * mask_ratio.x), brush_mask_y).a)).clamp())
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if instance != null:
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instance.terrain_map.update(_image)
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