scholar beginnings

addons/godot-rapier2d/fluid_2d_renderer.gd

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+@tool
+class_name Fluid2DRenderer
+extends MultiMeshInstance2D
+
+@export var fluid: Fluid2D
+@export var color: Color = Color(0.8, 0.8, 0.8, 0.3)
+@export var mesh_scale: Vector2 = Vector2(5, 5)
+
+
+func _ready():
+	if multimesh == null:
+		multimesh = MultiMesh.new()
+		multimesh.mesh = load("res://addons/godot-rapier2d/circle_mesh.tres").duplicate()
+		multimesh.use_colors = true
+	if texture == null:
+		texture = load("res://addons/godot-rapier2d/Radial2D.svg")
+
+
+func _process(_delta):
+	if fluid == null:
+		return
+	global_transform = fluid.global_transform
+	var index = 0
+	multimesh.instance_count = fluid.points.size()
+	var points = fluid.points
+	for i in points.size():
+		var point = points[i]
+		var new_transform: Transform2D = Transform2D(0, mesh_scale, 0, point)
+		multimesh.set_instance_transform_2d(index, new_transform)
+		multimesh.set_instance_color(index, color)
+		index += 1