Initial files

scenes/explosion.tscn

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+[gd_scene load_steps=10 format=1]
+
+[ext_resource path="res://colors/ramp_asteroid.tres" type="ColorRamp" id=1]
+[ext_resource path="res://colors/smoke.tres" type="ColorRamp" id=2]
+[ext_resource path="res://sprites/under.png" type="Texture" id=3]
+[ext_resource path="res://scripts/explosion.gd" type="Script" id=4]
+
+[sub_resource type="GDScript" id=1]
+
+script/source = "extends Particles2D
+
+func _ready():
+	set_emitting(true)
+"
+
+[sub_resource type="GDScript" id=2]
+
+script/source = "extends Particles2D
+
+func _ready():
+	set_emitting(true)
+"
+
+[sub_resource type="Animation" id=3]
+
+resource/name = "flash"
+length = 0.4
+loop = false
+step = 0.1
+tracks/0/type = "value"
+tracks/0/path = NodePath(".:transform/scale")
+tracks/0/interp = 1
+tracks/0/imported = false
+tracks/0/keys = {
+"times": FloatArray( 0, 0.1, 0.3 ),
+"transitions": FloatArray( 1, -4, 1 ),
+"update": 0,
+"values": [ Vector2( 0.05, 0.05 ), Vector2( 0.3, 0.3 ), Vector2( 1e-05, 1e-05 ) ]
+}
+tracks/1/type = "value"
+tracks/1/path = NodePath(".:transform/rot")
+tracks/1/interp = 1
+tracks/1/imported = false
+tracks/1/keys = {
+"times": FloatArray( 0, 0.3 ),
+"transitions": FloatArray( 1, 1 ),
+"update": 0,
+"values": [ 180.0, 0.0 ]
+}
+tracks/2/type = "value"
+tracks/2/path = NodePath(".:modulate")
+tracks/2/interp = 1
+tracks/2/imported = false
+tracks/2/keys = {
+"times": FloatArray( 0, 0.1, 0.3 ),
+"transitions": FloatArray( 1, 1, 1 ),
+"update": 0,
+"values": [ Color( 0.0470588, 0.0470588, 0.0470588, 1 ), Color( 0.83606, 1, 0.382812, 1 ), Color( 1, 0, 0.046875, 1 ) ]
+}
+
+[sub_resource type="Animation" id=4]
+
+resource/name = "flash_counter"
+length = 0.4
+loop = false
+step = 0.1
+tracks/0/type = "value"
+tracks/0/path = NodePath(".:transform/scale")
+tracks/0/interp = 1
+tracks/0/imported = false
+tracks/0/keys = {
+"times": FloatArray( 0, 0.1, 0.3 ),
+"transitions": FloatArray( 1, 1, 1 ),
+"update": 0,
+"values": [ Vector2( 0.05, 0.05 ), Vector2( 0.3, 0.3 ), Vector2( 1e-05, 1e-05 ) ]
+}
+tracks/1/type = "value"
+tracks/1/path = NodePath(".:transform/rot")
+tracks/1/interp = 1
+tracks/1/imported = false
+tracks/1/keys = {
+"times": FloatArray( 0, 0.3 ),
+"transitions": FloatArray( 1, 1 ),
+"update": 0,
+"values": [ 0.0, 180.0 ]
+}
+tracks/2/type = "value"
+tracks/2/path = NodePath(".:modulate")
+tracks/2/interp = 1
+tracks/2/imported = false
+tracks/2/keys = {
+"times": FloatArray( 0, 0.1, 0.3 ),
+"transitions": FloatArray( 1, 1, 1 ),
+"update": 0,
+"values": [ Color( 0.0470588, 0.0470588, 0.0470588, 1 ), Color( 0.83606, 1, 0.382812, 1 ), Color( 1, 0, 0.046875, 1 ) ]
+}
+
+[sub_resource type="CircleShape2D" id=5]
+
+custom_solver_bias = 0.0
+radius = 77.0607
+
+[node name="Explosion" type="Particles2D"]
+
+config/amount = 1024
+config/lifetime = 2.0
+config/emit_timeout = 0.1
+config/emitting = false
+config/process_mode = 1
+params/direction = 0.0
+params/spread = 180.0
+params/linear_velocity = 50.0
+params/spin_velocity = 20.0
+params/orbit_velocity = 0.0
+params/gravity_direction = 0.0
+params/gravity_strength = 9.8
+params/radial_accel = 0.0
+params/tangential_accel = 0.0
+params/damping = 50.0
+params/initial_angle = 0.0
+params/initial_size = 2.0
+params/final_size = 0.0
+params/hue_variation = 0.0
+params/anim_speed_scale = 1.0
+params/anim_initial_pos = 0.0
+randomness/direction = 1.0
+randomness/linear_velocity = 0.5
+randomness/orbit_velocity = 0.5
+randomness/final_size = 1.0
+color/color_ramp = ExtResource( 1 )
+script/script = SubResource( 1 )
+
+[node name="Smoke" type="Particles2D" parent="."]
+
+config/amount = 32
+config/lifetime = 3.0
+config/emit_timeout = 0.5
+config/emitting = false
+config/process_mode = 1
+config/half_extents = Vector2( 2, 2 )
+params/direction = 180.0
+params/spread = 90.0
+params/linear_velocity = 5.0
+params/spin_velocity = 0.0
+params/orbit_velocity = 0.0
+params/gravity_direction = 180.0
+params/gravity_strength = 2.0
+params/radial_accel = 0.0
+params/tangential_accel = 0.0
+params/damping = 0.0
+params/initial_angle = 0.0
+params/initial_size = 1.0
+params/final_size = 5.0
+params/hue_variation = 0.0
+params/anim_speed_scale = 1.0
+params/anim_initial_pos = 0.0
+randomness/linear_velocity = 0.5
+color/color_ramp = ExtResource( 2 )
+script/script = SubResource( 2 )
+
+[node name="Sprite1" type="Sprite" parent="."]
+
+editor/display_folded = true
+visibility/blend_mode = 1
+transform/pos = Vector2( 0.0889397, 0.0746803 )
+transform/rot = 120.0
+transform/scale = Vector2( 0.3, 0.3 )
+texture = ExtResource( 3 )
+offset = Vector2( -4.4341, 11.1493 )
+flip_h = true
+flip_v = true
+modulate = Color( 0.83606, 1, 0.382812, 1 )
+
+[node name="AnimationPlayer" type="AnimationPlayer" parent="Sprite1"]
+
+playback/process_mode = 1
+playback/default_blend_time = 0.0
+root/root = NodePath("..")
+anims/flash = SubResource( 3 )
+playback/active = true
+playback/speed = 1.0
+blend_times = [  ]
+autoplay = "flash"
+
+[node name="Sprite" type="Sprite" parent="."]
+
+visibility/blend_mode = 1
+transform/pos = Vector2( -0.0113325, -0.0332518 )
+transform/scale = Vector2( 1e-05, 1e-05 )
+texture = ExtResource( 3 )
+offset = Vector2( 1.61146, -10.8665 )
+modulate = Color( 1, 0, 0.046875, 1 )
+script/script = ExtResource( 4 )
+
+[node name="AnimationPlayer" type="AnimationPlayer" parent="Sprite"]
+
+playback/process_mode = 1
+playback/default_blend_time = 0.0
+root/root = NodePath("..")
+anims/flash = SubResource( 3 )
+anims/flash_counter = SubResource( 4 )
+playback/active = true
+playback/speed = 1.0
+blend_times = [  ]
+autoplay = "flash_counter"
+
+[node name="ExplosionArea" type="Area2D" parent="Sprite"]
+
+input/pickable = true
+shapes/0/shape = SubResource( 5 )
+shapes/0/transform = Matrix32( 1, 0, 0, 1, 0, 0 )
+shapes/0/trigger = false
+gravity_vec = Vector2( 0, 1 )
+gravity = 98.0
+linear_damp = 0.1
+angular_damp = 1.0
+
+[node name="CollisionShape2D" type="CollisionShape2D" parent="Sprite/ExplosionArea"]
+
+shape = SubResource( 5 )
+trigger = false
+_update_shape_index = 0
+
+