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extends Node3D
# Reference to the gltf model that's currently being shown.
var current_gltf_node: Node3D = null
func _ready():
# Default asset to load when the app starts
_load_gltf("res://gltfs/food_kit/turkey.glb")
var appPlugin = Engine.get_singleton("AppPlugin")
if appPlugin:
print("App plugin is available")
# Signal fired from the app logic to update the gltf model being shown
appPlugin.connect("show_gltf", _load_gltf)
else:
print("App plugin is not available")
func _process(delta):
if current_gltf_node == null:
return
# Make the gltf model slowly rotate
current_gltf_node.rotate_y(0.001)
func _unhandled_input(event):
if current_gltf_node == null:
return
if event is InputEventMagnifyGesture:
# Scale the gltf model based on pinch / zoom gestures
current_gltf_node.scale = current_gltf_node.scale * event.factor
if event is InputEventMouseMotion and event.button_mask == MOUSE_BUTTON_MASK_LEFT:
# Rotate the gltf model based on swipe gestures
var relative_drag = event.relative
current_gltf_node.rotate_y(relative_drag.x / 100)
current_gltf_node.rotate_x(relative_drag.y / 100)
# Load the gltf model specified by the given path
func _load_gltf(gltf_path: String):
if current_gltf_node != null:
remove_child(current_gltf_node)
current_gltf_node = load(gltf_path).instantiate()
add_child(current_gltf_node)
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