It's blood.

maps/test_room.tscn

@@ -1,4 +1,4 @@
-[gd_scene load_steps=27 format=2]
+[gd_scene load_steps=28 format=2]
 
 [ext_resource path="res://objects/enemy/super_slime.tscn" type="PackedScene" id=1]
 [ext_resource path="res://tilesets/t_cave.tres" type="TileSet" id=2]
@@ -8,6 +8,7 @@
 [ext_resource path="res://objects/environment/moving_platform/moving_platform.tscn" type="PackedScene" id=6]
 [ext_resource path="res://graphics/backgrounds/canopy.png" type="Texture" id=7]
 [ext_resource path="res://objects/environment/collapse_block/collapse_block.tscn" type="PackedScene" id=8]
+[ext_resource path="res://shaders/can_stain.tres" type="Material" id=9]
 [ext_resource path="res://objects/enemy/slime.tscn" type="PackedScene" id=10]
 [ext_resource path="res://maps/map.gd" type="Script" id=11]
 [ext_resource path="res://objects/environment/turniwood/turning_platform.tscn" type="PackedScene" id=12]
@@ -58,7 +59,9 @@ __meta__ = {
 
 [node name="CanvasLayer" parent="." instance=ExtResource( 4 )]
 
-[node name="Ground" type="TileMap" parent="."]
+[node name="Ground" type="TileMap" parent="." groups=["can_stain"]]
+light_mask = 3
+material = ExtResource( 9 )
 tile_set = ExtResource( 3 )
 cell_size = Vector2( 8, 8 )
 collision_layer = 9
@@ -128,7 +131,6 @@ material = SubResource( 4 )
 position = Vector2( 4, 4 )
 z_index = -3
 frames = SubResource( 5 )
-frame = 1
 playing = true
 
 [node name="Steam" parent="." instance=ExtResource( 23 )]

objects/environment/blood/blood_splatter.tscn

@@ -1,12 +0,0 @@
-[gd_scene load_steps=3 format=2]
-
-[ext_resource path="res://graphics/particles/blood.png" type="Texture" id=1]
-[ext_resource path="res://objects/environment/blood/blood_splatter.gd" type="Script" id=2]
-
-[node name="Splatter" type="Light2D"]
-texture = ExtResource( 1 )
-color = Color( 0.960784, 0.2, 0.258824, 1 )
-energy = 4.0
-mode = 2
-range_item_cull_mask = 3
-script = ExtResource( 2 )

objects/environment/blood/blood_spray.gd

@@ -1,19 +1,29 @@
 extends RigidBody2D
 
 
-const BloodSplatter := preload("res://objects/environment/blood/blood_splatter.tscn")
+const BloodStain := preload("res://objects/environment/blood/blood_stain.tscn")
+
+
+export var color: Color = Color(0xf53342ff)
 
 
 onready var sprite: Sprite = $Sprite
 
 
+func _ready() -> void:
+	sprite.self_modulate = color
+
+
 func _physics_process(delta: float) -> void:
 	sprite.global_rotation = linear_velocity.angle()
 
 
 func _on_body_entered(body: Node) -> void:
-	if body is TileMap:
-		var splatter = BloodSplatter.instance()
-		splatter.global_position = global_position
-		get_parent().add_child(splatter)
+	if body.is_in_group("can_stain"):
+		var stain = BloodStain.instance()
+		stain.color = color
+		stain.global_position = global_position
+		body.add_child(stain)
+		queue_free()
+	elif body is TileMap:
 		queue_free()

objects/environment/blood/blood_spray.tscn

@@ -12,8 +12,8 @@ contact_monitor = true
 script = ExtResource( 3 )
 
 [node name="Sprite" type="Sprite" parent="."]
-modulate = Color( 0.960784, 0.2, 0.258824, 1 )
-scale = Vector2( 0.5, 0.5 )
+self_modulate = Color( 0.960784, 0.2, 0.258824, 1 )
+scale = Vector2( 0.75, 0.5 )
 texture = ExtResource( 1 )
 offset = Vector2( 2, 0 )
 flip_h = true

objects/environment/blood/blood_stain.tscn

@@ -0,0 +1,12 @@
+[gd_scene load_steps=3 format=2]
+
+[ext_resource path="res://graphics/particles/dust.png" type="Texture" id=1]
+[ext_resource path="res://objects/environment/blood/blood_stain.gd" type="Script" id=2]
+
+[node name="BloodStain" type="Light2D"]
+light_mask = 3
+texture = ExtResource( 1 )
+color = Color( 0.960784, 0.2, 0.258824, 1 )
+mode = 2
+range_item_cull_mask = 2
+script = ExtResource( 2 )

objects/player/player.gd

@@ -276,7 +276,7 @@ func _on_Dead_state_entered() -> void:
 		particles.global_position = death_splatter_position.global_position
 		particles.emitting = true
 		get_parent().add_child(particles)
-		for i in 32:
+		for i in 16:
 			var spray: RigidBody2D = BloodSpray.instance()
 			spray.global_position = global_position
 			spray.linear_velocity = Vector2(80.0, 0.0).rotated(randf() * TAU)

objects/player/player.tscn

@@ -1066,6 +1066,7 @@ angle_random = 1.0
 scale_amount = 0.25
 scale_amount_random = 0.5
 scale_amount_curve = SubResource( 13 )
+color = Color( 0.956863, 0.92549, 0.831373, 1 )
 
 [node name="PushableDetector" type="RayCast2D" parent="Graphics"]
 unique_name_in_owner = true
@@ -1553,8 +1554,8 @@ align = 1
 [connection signal="state_entered" from="StateChart/Root/Movement/Grounded/Shooting" to="." method="_on_Shooting_state_entered"]
 [connection signal="state_entered" from="StateChart/Root/Movement/Grounded/Pushing" to="." method="_on_Pushing_state_entered"]
 [connection signal="state_physics_processing" from="StateChart/Root/Movement/Grounded/Pushing" to="." method="_process_pushing"]
-[connection signal="state_entered" from="StateChart/Root/Movement/Airborne" to="." method="_on_Airborne_state_entered"]
 [connection signal="state_entered" from="StateChart/Root/Movement/Airborne" to="." method="reset_fall_speed"]
+[connection signal="state_entered" from="StateChart/Root/Movement/Airborne" to="." method="_on_Airborne_state_entered"]
 [connection signal="state_physics_processing" from="StateChart/Root/Movement/Airborne" to="." method="_process_gravity"]
 [connection signal="state_physics_processing" from="StateChart/Root/Movement/Airborne/Jump" to="." method="_process_horizontal_movement"]
 [connection signal="state_physics_processing" from="StateChart/Root/Movement/Airborne/Jump" to="." method="_process_jump"]

shaders/can_stain.tres

@@ -0,0 +1,15 @@
+[gd_resource type="ShaderMaterial" load_steps=2 format=2]
+
+[sub_resource type="Shader" id=2]
+code = "shader_type canvas_item;
+
+void fragment() {
+	COLOR = texture(TEXTURE, UV);
+	// fucked up lighting change to make blood work perfectly
+	if (AT_LIGHT_PASS) {
+		COLOR = vec4(1.0, 1.0, 1.0, COLOR.a);
+	}
+}"
+
+[resource]
+shader = SubResource( 2 )