From 335a082dae557805bfdd26b1ce8ef85661e2ba92 Mon Sep 17 00:00:00 2001
From: ChaoticByte <contact@chaoticbyte.net>
Date: Thu, 26 Sep 2024 20:10:56 +0200
Subject: [PATCH] Added rain with terrain collision

---
 core/DynamicPolygon.tscn | 10 +++++++---
 core/dynamic_polygon.gd  |  5 +++++
 levels/waking_up.tscn    |  2 --
 player/player.tscn       | 27 ++++++++++++++++++++++++++-
 4 files changed, 38 insertions(+), 6 deletions(-)

diff --git a/core/DynamicPolygon.tscn b/core/DynamicPolygon.tscn
index 2214b59..5b003b2 100644
--- a/core/DynamicPolygon.tscn
+++ b/core/DynamicPolygon.tscn
@@ -1,10 +1,14 @@
-[gd_scene load_steps=2 format=3 uid="uid://cbynoofsjcl45"]
+[gd_scene load_steps=3 format=3 uid="uid://cbynoofsjcl45"]
 
 [ext_resource type="Script" path="res://core/dynamic_polygon.gd" id="1_2pai0"]
 
+[sub_resource type="OccluderPolygon2D" id="OccluderPolygon2D_fkh4m"]
+
 [node name="DynamicPolygon" type="CollisionPolygon2D"]
 script = ExtResource("1_2pai0")
-update = null
 
 [node name="Polygon2D" type="Polygon2D" parent="."]
-color = Color(0, 0, 0, 1)
+
+[node name="LightOccluder2D" type="LightOccluder2D" parent="."]
+editor_description = "For particle collisions"
+occluder = SubResource("OccluderPolygon2D_fkh4m")
diff --git a/core/dynamic_polygon.gd b/core/dynamic_polygon.gd
index 7a13776..1e910e1 100644
--- a/core/dynamic_polygon.gd
+++ b/core/dynamic_polygon.gd
@@ -13,8 +13,13 @@ extends CollisionPolygon2D
 		update_polygon()
 
 func update_polygon():
+	# normal polygon
 	$Polygon2D.polygon = polygon
 	$Polygon2D.color = color
+	# light occluder
+	var lo_polygon = OccluderPolygon2D.new()
+	lo_polygon.polygon = polygon
+	$LightOccluder2D.occluder = lo_polygon
 
 func _ready() -> void:
 	update_polygon()
diff --git a/levels/waking_up.tscn b/levels/waking_up.tscn
index 4061b25..fe6b90c 100644
--- a/levels/waking_up.tscn
+++ b/levels/waking_up.tscn
@@ -13,9 +13,7 @@ position = Vector2(400, 224)
 [node name="DynamicPolygon" parent="StaticBody2D" instance=ExtResource("2_83sm2")]
 polygon = PackedVector2Array(296, 288, 296, 368, 536, 368, 536, 336, 776, 336, 776, 400, 104, 400, 104, 360, 184, 360, 184, 304, 248, 304, 248, 288)
 color = Color(0.235294, 0.607843, 0.643137, 1)
-update = false
 
 [node name="DynamicPolygon2" parent="StaticBody2D" instance=ExtResource("2_83sm2")]
 polygon = PackedVector2Array(520, 96, 520, 280, 552, 280, 552, 32, 632, 32, 632, -8, 520, -8)
 color = Color(0.236278, 0.606088, 0.644729, 1)
-update = false
diff --git a/player/player.tscn b/player/player.tscn
index f93e270..f155c0b 100644
--- a/player/player.tscn
+++ b/player/player.tscn
@@ -1,7 +1,22 @@
-[gd_scene load_steps=3 format=3 uid="uid://ebb4pfxklatj"]
+[gd_scene load_steps=4 format=3 uid="uid://ebb4pfxklatj"]
 
 [ext_resource type="Script" path="res://player/player.gd" id="1_fob34"]
 
+[sub_resource type="ParticleProcessMaterial" id="ParticleProcessMaterial_v306m"]
+particle_flag_disable_z = true
+emission_shape_scale = Vector3(640, 300, 1)
+emission_shape = 3
+emission_box_extents = Vector3(1, 1, 1)
+direction = Vector3(0, 1, 0)
+spread = 0.0
+initial_velocity_min = 300.0
+initial_velocity_max = 400.0
+gravity = Vector3(0, 0, 0)
+scale_min = 2.0
+scale_max = 2.5
+color = Color(1, 1, 1, 0.75)
+collision_mode = 2
+
 [sub_resource type="RectangleShape2D" id="RectangleShape2D_7cq61"]
 size = Vector2(16, 16)
 
@@ -15,6 +30,16 @@ position_smoothing_enabled = true
 drag_horizontal_enabled = true
 drag_vertical_enabled = true
 
+[node name="Rain" type="GPUParticles2D" parent="Camera2D"]
+position = Vector2(0, -640)
+amount = 2048
+amount_ratio = 0.5
+process_material = SubResource("ParticleProcessMaterial_v306m")
+lifetime = 3.0
+preprocess = 5.0
+fixed_fps = 0
+visibility_rect = Rect2(-512, 320, 1024, 640)
+
 [node name="CollisionShape2D" type="CollisionShape2D" parent="."]
 shape = SubResource("RectangleShape2D_7cq61")