[gd_scene load_steps=11 format=2]

[ext_resource path="res://Data/Scripts/Controller.gd" type="Script" id=1]
[ext_resource path="res://Data/Colors/GooGradient.tres" type="Texture" id=2]
[ext_resource path="res://icon.png" type="Texture" id=3]
[ext_resource path="res://Data/Graphics/droplet_a.png" type="Texture" id=4]

[sub_resource type="CircleShape2D" id=1]
radius = 16.0

[sub_resource type="Curve" id=4]
_data = [ Vector2( 0, 1 ), 0.0, 0.219234, 0, 0, Vector2( 1, 0.434091 ), -0.228985, 0.0, 0, 0 ]

[sub_resource type="CurveTexture" id=5]
curve = SubResource( 4 )

[sub_resource type="ParticlesMaterial" id=6]
lifetime_randomness = 0.52
emission_shape = 1
emission_sphere_radius = 16.0
flag_disable_z = true
direction = Vector3( 0, 0, 0 )
spread = 0.0
gravity = Vector3( 0, 8, 0 )
orbit_velocity = 0.0
orbit_velocity_random = 0.0
linear_accel = 10.0
damping = 12.0
damping_random = 0.41
angle = 45.0
angle_random = 0.85
scale = 0.75
scale_curve = SubResource( 5 )
color_ramp = ExtResource( 2 )

[sub_resource type="Shader" id=7]
code = "shader_type canvas_item;

uniform float rimWidth : hint_range(1.0, 3.0) = 2.0;
uniform vec4 rim_color : hint_color;
uniform vec4 cell_color : hint_color;
uniform float fisheye_power = 2.0;

vec2 random2(vec2 p){
	return fract(sin(vec2(dot(p, vec2(127.1, 311.7)), dot(p, vec2(269.5, 183.3)))) * 43758.5453);	
}

float ramp(float v, float f_min, float f_max){
	if (v <= f_min){return 0.0;}
	if (v >= f_max){return 1.0;}
	return (v - f_min) / f_max;	
}

float CellularNoise(vec2 vUV, float scale, float time){
	// Code modified from...
	// https://thebookofshaders.com/12/
	vec2 st = vUV * scale;
	//st.x = vres.x/vres.y;
	
	vec2 i_st = floor(st);
	vec2 f_st = fract(st);
	
	float min_dist = 1.0;
	
	for (int y = -1; y <= 1; y++){
		for (int x = -1; x <= 1; x++){
			vec2 neighbor = vec2(float(x), float(y));
			vec2 point = random2(i_st + neighbor);
			point = 0.5 + (0.5 * sin(time + (6.2831 * point)));	
			float dist = length((neighbor + point) - f_st);
			min_dist = min(min_dist, dist);
		}	
	}
	
	return min_dist;
}


vec2 distort(vec2 p) {
	// Function borrowed and slightly modified from...
	// https://gist.github.com/henriquelalves/989fdd72e10c90091188
	p *= 2.0;
	p -= vec2(1.0, 1.0);
	if (length(p) >= 1.5){return p;}
	//return p;
	if(p.x > 0.0){
		float angle = p.y / p.x;
		float theta = atan(angle);
		float radius = length(p);
		radius = pow(radius, fisheye_power);
		
		p.x = radius * cos(theta);
		p.y = radius * sin(theta);
	} else {
		float angle = p.y / p.x;
		float theta = atan(angle);
		float radius = length(p);
		radius = pow(radius, fisheye_power);
		
		p.y = radius * sin(-theta);
		p.x = radius * cos(theta);
		p.x = - p.x;
	}
	
	
	return 0.5 * (p + vec2(1.0,1.0));
}


void fragment(){
	float n = ramp(CellularNoise(distort(UV.xy), 5.0, TIME), 0.2, 0.9);
	float rim = length(vec2(0.5, 0.5) - (UV.xy));
	if (rim > 0.5){
		rim  = 0.0;
	}
	rim = ramp(pow(rim, rimWidth), 0.0, 0.5);
	
	vec4 color = texture(SCREEN_TEXTURE, SCREEN_UV);
	if (rim > 0.0){
		color = vec4(cell_color.rgb * n, n);
		color = color + vec4(rim_color.rgb * rim, rim);
	} else {
		color = vec4(color.rgb, 0.0);
	}
		
	COLOR = color;
}"

[sub_resource type="ShaderMaterial" id=8]
shader = SubResource( 7 )
shader_param/rimWidth = 1.81
shader_param/rim_color = Color( 0.705882, 0.976471, 0.027451, 1 )
shader_param/cell_color = Color( 0.690196, 0.435294, 0.109804, 1 )
shader_param/fisheye_power = 3.0

[node name="Player" type="RigidBody2D"]
collision_mask = 3
contacts_reported = 1
contact_monitor = true
script = ExtResource( 1 )

[node name="CollisionShape2D" type="CollisionShape2D" parent="."]
visible = false
shape = SubResource( 1 )

[node name="Joint" type="PinJoint2D" parent="."]
bias = 0.9
softness = 0.1

[node name="Camera" type="Camera2D" parent="."]
current = true
smoothing_enabled = true

[node name="Particles" type="Particles2D" parent="."]
visible = false
amount = 50
lifetime = 8.0
local_coords = false
process_material = SubResource( 6 )
texture = ExtResource( 4 )

[node name="Sprite" type="Sprite" parent="."]
material = SubResource( 8 )
scale = Vector2( 0.5, 0.5 )
texture = ExtResource( 3 )
[connection signal="body_entered" from="." to="." method="_on_Player_body_entered"]
[connection signal="body_exited" from="." to="." method="_on_Player_body_exited"]