1 files changed, 32 insertions, 0 deletions
diff --git a/Scenes/Crystal.gd b/Scenes/Crystal.gd
new file mode 100644
index 0000000..620cea5
--- /dev/null
+++ b/Scenes/Crystal.gd
@@ -0,0 +1,32 @@
+extends Entity
+
+class_name Crystal
+
+export(bool) var is_active = false
+export(Color) var active_color
+
+onready var mesh : MeshInstance = $Mesh
+
+func _ready():
+	._ready()
+	add_to_group("crystals")
+
+func cor_activate(args : Array):
+	var duration = args[0]
+	var time = 0
+
+	var material = mesh.get_active_material(0)
+	var color = material.albedo_color
+
+	while true:
+		time = min(time + get_process_delta_time(), duration)
+		var weight = time / duration
+
+		material.albedo_color = color.linear_interpolate(active_color, weight)
+
+		if time >= duration:
+			break
+
+		yield(get_tree(), "idle_frame")
+
+	is_active = true