Drive planets from definitions

GasGiantVisual.gd

@@ -0,0 +1,31 @@
+extends Node2D
+
+var gas_phase: float = 0.0
+
+
+func configure(_shape_seed: int) -> void:
+	queue_redraw()
+
+
+func extractor_anchor() -> Vector2:
+	return Vector2(0.0, -118.0)
+
+
+func _process(delta: float) -> void:
+	gas_phase += delta
+	queue_redraw()
+
+
+func _draw() -> void:
+	var rim := PackedVector2Array()
+	for i in range(32):
+		var angle := TAU * float(i) / 32.0
+		rim.append(Vector2(cos(angle) * 118.0, sin(angle) * 118.0))
+	NeonDraw.draw_glowing_polygon(self, rim, Color(0.4, 0.78, 1.0), 0.9)
+	for row in [-62.0, -28.0, 8.0, 43.0, 73.0]:
+		var band := PackedVector2Array()
+		var half_width: float = sqrt(maxf(0.0, 118.0 * 118.0 - row * row))
+		for i in range(15):
+			var x := lerpf(-half_width, half_width, float(i) / 14.0)
+			band.append(Vector2(x, row + sin(x * 0.045 + gas_phase * 1.6 + row) * 7.0))
+		NeonDraw.draw_glowing_path(self, band, Color(0.85, 0.52, 1.0), 0.75, 0.65)