Damage numbers and knockback

level/scripts/damage_number.gd

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+extends Label3D
+class_name DamageNumber
+
+## Floating damage number that animates upward and fades out
+
+@export var float_speed: float = 3.0
+@export var lifetime: float = 1.8
+@export var spread: float = 0.7  # Random horizontal spread
+
+var _elapsed: float = 0.0
+var _velocity: Vector3 = Vector3.ZERO
+var _initial_scale: float = 1.5
+
+func _ready():
+	# Random horizontal spread
+	_velocity = Vector3(
+		randf_range(-spread, spread),
+		float_speed,
+		randf_range(-spread, spread)
+	)
+
+	# Billboard mode so it always faces camera
+	billboard = BaseMaterial3D.BILLBOARD_ENABLED
+
+	# Start with full opacity
+	modulate.a = 1.0
+
+	# Larger initial scale for impact
+	scale = Vector3.ONE * 0.5
+
+func _process(delta):
+	_elapsed += delta
+
+	# Move upward with velocity
+	position += _velocity * delta
+	_velocity.y -= delta * 1.5  # Slight gravity effect
+
+	# Fade out over lifetime (keep visible longer, then quick fade)
+	var fade_progress = _elapsed / lifetime
+	if fade_progress < 0.7:
+		modulate.a = 1.0
+	else:
+		var fade_amount = (fade_progress - 0.7) / 0.3
+		modulate.a = 1.0 - fade_amount
+
+	# Pop animation - quick scale up, then gentle scale down
+	if fade_progress < 0.15:
+		# Quick pop up
+		var scale_progress = fade_progress / 0.15
+		var target_scale = _initial_scale * (0.5 + (0.5 * scale_progress))
+		scale = Vector3.ONE * target_scale
+	elif fade_progress < 0.3:
+		# Slight bounce/overshoot
+		var bounce_progress = (fade_progress - 0.15) / 0.15
+		var overshoot = sin(bounce_progress * PI) * 0.15
+		var target_scale = _initial_scale * (1.0 + overshoot)
+		scale = Vector3.ONE * target_scale
+	else:
+		# Gentle shrink
+		var shrink_progress = (fade_progress - 0.3) / 0.7
+		var target_scale = _initial_scale * (1.0 - (shrink_progress * 0.3))
+		scale = Vector3.ONE * target_scale
+
+	# Delete when lifetime expired
+	if _elapsed >= lifetime:
+		queue_free()
+
+## Set the damage number text and color
+func set_damage(amount: float, was_blocked: bool = false):
+	text = str(int(amount))
+
+	if was_blocked:
+		# Bright yellow/orange for blocked damage with strong contrast
+		modulate = Color(1.0, 0.9, 0.0)  # Bright yellow
+		outline_modulate = Color(0.3, 0.15, 0.0)  # Dark brown/black outline
+	else:
+		# Vibrant red for normal damage with black outline
+		modulate = Color(1.0, 0.15, 0.15)  # Bright red
+		outline_modulate = Color(0.1, 0.0, 0.0)  # Almost black outline
+
+	# Much larger and bolder
+	outline_size = 16
+	font_size = 72
+
+	# Add depth with larger outline
+	pixel_size = 0.002  # Slightly larger pixels for better visibility