#14 ajout de la notion de terrain, de planète et de zone contaminée

common/game_data/scripts/game_data.gd

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+extends Resource
+class_name GameData
+
+@export var currentTerrainData : TerrainData
+

common/game_data/scripts/game_data.gd.uid

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+uid://73gftrlwnuhu

common/game_data/scripts/terrain_data.gd

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+extends Resource
+class_name TerrainData
+
+const TERRAIN_IMAGE_GAME_FACTOR = 50
+const DEFAULT_CONTAMINATION_CENTRAL_ZONE_MAX_SIZE = 1000
+const DEFAULT_CONTAMINATION_CENTRAL_ZONE_MIN_SIZE = 200
+
+signal terrain_updated
+
+@export var terrainSize : Vector2 = Vector2(2000,2000)
+
+@export var contamination : Image = null
+
+func generate_default_contamination(
+	central_zone_max_size : int = DEFAULT_CONTAMINATION_CENTRAL_ZONE_MAX_SIZE,
+	central_zone_min_size : int = DEFAULT_CONTAMINATION_CENTRAL_ZONE_MIN_SIZE,
+):
+	var noise: Noise = FastNoiseLite.new()
+	noise.seed = randi()
+	noise.noise_type = FastNoiseLite.TYPE_CELLULAR
+	noise.frequency = 0.005 * TERRAIN_IMAGE_GAME_FACTOR
+
+	var imageSize = terrainSize / TERRAIN_IMAGE_GAME_FACTOR;
+
+	var noise_image = noise.get_image(
+		imageSize.x,
+		imageSize.y,
+		1.0
+	)
+
+	ImageTools.draw_gradient(
+		noise_image,
+		imageSize/2,
+		central_zone_min_size / TERRAIN_IMAGE_GAME_FACTOR
+	)
+
+	ImageTools.draw_gradient(
+		noise_image,
+		imageSize/2,
+		central_zone_max_size / TERRAIN_IMAGE_GAME_FACTOR,
+		Color.BLACK,
+		true
+	)
+
+
+	ImageTools.flatten(noise_image, 0.5)
+
+	contamination = Image.create(
+		imageSize.x,
+		imageSize.y,
+		false, 
+		Image.Format.FORMAT_L8
+	)
+
+	contamination.copy_from(noise_image)
+
+func impact_contamination(position : Vector2, impact_radius : int, to_value : float = 1.):
+	ImageTools.draw_circle(
+		contamination,
+		position / TERRAIN_IMAGE_GAME_FACTOR,
+		impact_radius / TERRAIN_IMAGE_GAME_FACTOR,
+		Color(1., 1., 1., to_value)
+	)
+
+func get_contamination(point : Vector2) -> float:
+	var pixel_point : Vector2 = Vector2(point) / float(TERRAIN_IMAGE_GAME_FACTOR)
+	return contamination.get_pixel(
+		int(round(pixel_point.x)),
+		int(round(pixel_point.y))
+	).r

common/game_data/scripts/terrain_data.gd.uid

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+uid://cx30nvq8b34lj

common/tools/scripts/image_tools.gd

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+class_name ImageTools
+
+static func draw_circle(image: Image, center: Vector2i, length: int, color: Color = Color.WHITE):
+    for x in range(image.get_width()):
+        for y in range(image.get_height()):
+            var center_distance = Vector2i(x, y).distance_to(center)
+
+            if (center_distance <= length):
+                image.set_pixel(x, y, color)
+            
+
+static func draw_gradient(image: Image, center: Vector2i, length: int, color: Color = Color.WHITE, inverse := false):
+    for x in range(image.get_width()):
+        for y in range(image.get_height()):
+            var original_pixel_color = image.get_pixel(x, y)
+            var center_distance = Vector2i(x, y).distance_to(center)
+
+            if (center_distance == 0):
+                if not inverse:
+                    image.set_pixel(x, y, original_pixel_color.blend(color))
+            else:
+                var color_to_add = Color(color, 1 / (center_distance / length)) if not inverse else Color(color, center_distance / length)
+                image.set_pixel(
+                    x,
+                    y,
+                    original_pixel_color.blend(color_to_add)
+                )
+
+static func flatten(image: Image, threshold := 0.5):
+    for x in range(image.get_width()):
+        for y in range(image.get_height()):
+            var original_pixel_color = image.get_pixel(x, y)
+
+            if original_pixel_color.r > threshold:
+                image.set_pixel(
+                    x,
+                    y,
+                    Color.WHITE
+                )
+            else:
+                image.set_pixel(
+                    x,
+                    y,
+                    Color.BLACK
+                )
+
+static func copy(from: Image, to : Image):
+    for x in range(from.get_width()):
+        for y in range(from.get_height()):
+            to.set_pixel(x, y, from.get_pixel(x, y))
+                
+            

common/tools/scripts/image_tools.gd.uid

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+uid://b05d3may5qqtv