bacterium/particles.tscn

[gd_scene load_steps=6 format=2]

[ext_resource path="res://icon.png" type="Texture" id=1]

[sub_resource type="Shader" id=4]
code = "// NOTE: Shader automatically converted from Godot Engine 3.4.4.stable's CanvasItemMaterial.

shader_type canvas_item;
render_mode blend_mix;

uniform float pixmod = 1.0;

float circle(vec2 position, float radius, float feather)
{
	return smoothstep(radius, radius + feather, length(position - vec2(0.5)));
}

void fragment(){
	float pixelsize = SCREEN_PIXEL_SIZE.x * pixmod;
	vec4 COLbuff = COLOR;
	COLOR = ( ( 1.0-vec4( circle(UV, 0.2, pixelsize) ) ) - ( 1.0-vec4( circle(UV, 0.2-pixelsize, pixelsize) ) ) ) * COLbuff;
}"

[sub_resource type="ShaderMaterial" id=5]
shader = SubResource( 4 )
shader_param/pixmod = 8.0

[sub_resource type="Curve" id=6]
_data = [ Vector2( 0, 1 ), 0.0, 0.0, 0, 0, Vector2( 1, 0 ), 0.0, 0.0, 0, 0 ]

[sub_resource type="Gradient" id=7]
offsets = PoolRealArray( 0.0730769, 0.457692, 0.980769 )
colors = PoolColorArray( 0.897509, 1, 0.841463, 0.158537, 0.386719, 1, 0.396301, 1, 1, 1, 1, 0 )

[node name="particles" type="CPUParticles2D"]
material = SubResource( 5 )
z_index = -3
amount = 16
lifetime = 1.5
local_coords = false
texture = ExtResource( 1 )
gravity = Vector2( 0, 0 )
scale_amount = 2.0
scale_amount_curve = SubResource( 6 )
color_ramp = SubResource( 7 )