game: add bullet and impacts

flake.nix

@@ -29,6 +29,8 @@
             packages = with pkgs; [
               godot
               blender
+              krita
+              gimp
             ];
           };
         }

game/Player.gd

@@ -9,6 +9,8 @@ const FOV_LERP = 0.2
 
 var gravity = ProjectSettings.get_setting("physics/3d/default_gravity")
 
+var bullet = load("res://bullet.tscn")
+
 @onready var head = $Head
 @onready var camera = $Head/PlayerCamera
 @onready var player_debug = $Head/PlayerCamera/PlayerDebug
@@ -94,10 +96,9 @@ func play_shoot_effect():
 	muzzle_flash.restart()
 	muzzle_flash.emitting = true
 	
-	var collider = pistol_raycast.get_collider()
-	var col_point = pistol_raycast.get_collision_point()
-	if col_point and collider:
-		var b = bullet_decal.instantiate()
-		pistol_raycast.get_collider().add_child(b)
-		b.global_transform.origin = col_point
-		b.look_at(col_point + pistol_raycast.get_collision_normal(), Vector3.UP)
+	var parent = get_parent()
+	if parent:
+		var instance: Node3D = bullet.instantiate()
+		instance.position = pistol_raycast.global_position
+		instance.transform.basis = pistol_raycast.global_transform.basis
+		parent.add_child(instance)

game/assets/textures/circle_mask.png.import

@@ -0,0 +1,35 @@
+[remap]
+
+importer="texture"
+type="CompressedTexture2D"
+uid="uid://b7n43gk3vc0cm"
+path.s3tc="res://.godot/imported/circle_mask.png-cd67d89c80f71e333d9b72d12bb3dfb4.s3tc.ctex"
+metadata={
+"imported_formats": ["s3tc_bptc"],
+"vram_texture": true
+}
+
+[deps]
+
+source_file="res://assets/textures/circle_mask.png"
+dest_files=["res://.godot/imported/circle_mask.png-cd67d89c80f71e333d9b72d12bb3dfb4.s3tc.ctex"]
+
+[params]
+
+compress/mode=2
+compress/high_quality=false
+compress/lossy_quality=0.7
+compress/hdr_compression=1
+compress/normal_map=0
+compress/channel_pack=0
+mipmaps/generate=true
+mipmaps/limit=-1
+roughness/mode=0
+roughness/src_normal=""
+process/fix_alpha_border=true
+process/premult_alpha=false
+process/normal_map_invert_y=false
+process/hdr_as_srgb=false
+process/hdr_clamp_exposure=false
+process/size_limit=0
+detect_3d/compress_to=0

game/assets/textures/cloud_noise.png.import

@@ -0,0 +1,35 @@
+[remap]
+
+importer="texture"
+type="CompressedTexture2D"
+uid="uid://exuvqvppvyre"
+path.s3tc="res://.godot/imported/cloud_noise.png-65ba324dbb61c2827eb3b66fb0445ac2.s3tc.ctex"
+metadata={
+"imported_formats": ["s3tc_bptc"],
+"vram_texture": true
+}
+
+[deps]
+
+source_file="res://assets/textures/cloud_noise.png"
+dest_files=["res://.godot/imported/cloud_noise.png-65ba324dbb61c2827eb3b66fb0445ac2.s3tc.ctex"]
+
+[params]
+
+compress/mode=2
+compress/high_quality=false
+compress/lossy_quality=0.7
+compress/hdr_compression=1
+compress/normal_map=0
+compress/channel_pack=0
+mipmaps/generate=true
+mipmaps/limit=-1
+roughness/mode=0
+roughness/src_normal=""
+process/fix_alpha_border=true
+process/premult_alpha=false
+process/normal_map_invert_y=false
+process/hdr_as_srgb=false
+process/hdr_clamp_exposure=false
+process/size_limit=0
+detect_3d/compress_to=0

game/assets/textures/solid_noise.png.import

@@ -0,0 +1,35 @@
+[remap]
+
+importer="texture"
+type="CompressedTexture2D"
+uid="uid://bs83wip0gghsc"
+path.s3tc="res://.godot/imported/solid_noise.png-ea31f28dd51b66a6a0e60730a106aab8.s3tc.ctex"
+metadata={
+"imported_formats": ["s3tc_bptc"],
+"vram_texture": true
+}
+
+[deps]
+
+source_file="res://assets/textures/solid_noise.png"
+dest_files=["res://.godot/imported/solid_noise.png-ea31f28dd51b66a6a0e60730a106aab8.s3tc.ctex"]
+
+[params]
+
+compress/mode=2
+compress/high_quality=false
+compress/lossy_quality=0.7
+compress/hdr_compression=1
+compress/normal_map=0
+compress/channel_pack=0
+mipmaps/generate=true
+mipmaps/limit=-1
+roughness/mode=0
+roughness/src_normal=""
+process/fix_alpha_border=true
+process/premult_alpha=false
+process/normal_map_invert_y=false
+process/hdr_as_srgb=false
+process/hdr_clamp_exposure=false
+process/size_limit=0
+detect_3d/compress_to=0

game/bullet.gd

@@ -0,0 +1,29 @@
+extends Node3D
+
+const SPEED = 80.0
+
+@onready var raycast = $bullet/RayCast3D
+@onready var bullet_decal = preload("res://bullet_decal.tscn")
+
+func _ready() -> void:
+	pass
+	
+func _process(delta: float) -> void:
+	var next_pos = position + transform.basis * Vector3(0,0,-SPEED) * delta
+	raycast.visible = true
+	raycast.target_position = raycast.position + raycast.transform.basis * Vector3(0,0,SPEED) * delta * 1.5
+	position = next_pos
+	
+	var collider = raycast.get_collider()
+	var col_point = raycast.get_collision_point()
+	if col_point and collider:
+		var b = bullet_decal.instantiate()
+		raycast.get_collider().add_child(b)
+		b.global_transform.origin = col_point
+		b.look_at(col_point + raycast.get_collision_normal(), Vector3.UP)
+		b.particles.emitting = true
+		b.smoke.emitting = true
+		queue_free()
+
+func _on_timer_timeout() -> void:
+	queue_free()

game/bullet.gd.uid

@@ -0,0 +1 @@
+uid://j5k8dvghgsf4

game/bullet.tscn

@@ -0,0 +1,20 @@
+[gd_scene load_steps=3 format=3 uid="uid://c603t5do5rnqk"]
+
+[ext_resource type="Script" uid="uid://j5k8dvghgsf4" path="res://bullet.gd" id="1_v8qja"]
+[ext_resource type="PackedScene" uid="uid://bg1q0xweaefoq" path="res://models/bullet.glb" id="2_t4vbm"]
+
+[node name="Bullet" type="Node3D"]
+script = ExtResource("1_v8qja")
+
+[node name="bullet" parent="." instance=ExtResource("2_t4vbm")]
+
+[node name="RayCast3D" type="RayCast3D" parent="bullet"]
+transform = Transform3D(1, 0, 0, 0, -4.37114e-08, -1, 0, 1, -4.37114e-08, 0, 0, 0)
+target_position = Vector3(0, -0.2, 0)
+
+[node name="Timer" type="Timer" parent="bullet"]
+wait_time = 10.0
+one_shot = true
+autostart = true
+
+[connection signal="timeout" from="bullet/Timer" to="." method="_on_timer_timeout"]

game/bullet_decal.gd

@@ -0,0 +1,4 @@
+extends Node3D
+
+@onready var particles = $MeshInstance3D/GPUParticles3D
+@onready var smoke = $MeshInstance3D/GPUParticles3D2

game/bullet_decal.gd.uid

@@ -0,0 +1 @@
+uid://rqqeb4ls4tgf

game/bullet_decal.tscn

@@ -1,4 +1,7 @@
-[gd_scene load_steps=3 format=3 uid="uid://5dqpmmbur7v6"]
+[gd_scene load_steps=15 format=3 uid="uid://5dqpmmbur7v6"]
+
+[ext_resource type="Script" uid="uid://rqqeb4ls4tgf" path="res://bullet_decal.gd" id="1_mfh3f"]
+[ext_resource type="Shader" uid="uid://d4ml3kj8ympbf" path="res://bullet_decal_smoke.tres" id="2_nqa4f"]
 
 [sub_resource type="PlaneMesh" id="PlaneMesh_q27hx"]
 size = Vector2(0.05, 0.05)
@@ -7,9 +10,77 @@ orientation = 2
 [sub_resource type="StandardMaterial3D" id="StandardMaterial3D_mfh3f"]
 albedo_color = Color(0, 0, 0, 1)
 
+[sub_resource type="StandardMaterial3D" id="StandardMaterial3D_q27hx"]
+albedo_color = Color(0, 0, 0, 1)
+
+[sub_resource type="ParticleProcessMaterial" id="ParticleProcessMaterial_mfh3f"]
+direction = Vector3(0, 0, -1)
+initial_velocity_min = 5.0
+initial_velocity_max = 5.0
+
+[sub_resource type="BoxMesh" id="BoxMesh_nqa4f"]
+size = Vector3(0.05, 0.05, 0.05)
+
+[sub_resource type="ShaderMaterial" id="ShaderMaterial_6cwkj"]
+render_priority = 0
+shader = ExtResource("2_nqa4f")
+
+[sub_resource type="Curve" id="Curve_nqa4f"]
+_data = [Vector2(0, 1), 0.0, 0.0, 0, 0, Vector2(0.60628, 0.717391), -1.24468, -1.24468, 0, 0, Vector2(0.978261, 0), 0.0, 0.0, 0, 0]
+point_count = 3
+
+[sub_resource type="CurveTexture" id="CurveTexture_6cwkj"]
+curve = SubResource("Curve_nqa4f")
+
+[sub_resource type="Gradient" id="Gradient_mp8ng"]
+
+[sub_resource type="GradientTexture1D" id="GradientTexture1D_mi8h0"]
+gradient = SubResource("Gradient_mp8ng")
+
+[sub_resource type="ParticleProcessMaterial" id="ParticleProcessMaterial_nqa4f"]
+particle_flag_align_y = true
+particle_flag_rotate_y = true
+angle_min = -180.0
+angle_max = 180.0
+direction = Vector3(0, -1, 1)
+spread = 0.0
+initial_velocity_min = 1.8
+initial_velocity_max = 2.3
+angular_velocity_min = -50.0
+angular_velocity_max = 50.0
+gravity = Vector3(0, 0, 0)
+color_ramp = SubResource("GradientTexture1D_mi8h0")
+alpha_curve = SubResource("CurveTexture_6cwkj")
+
+[sub_resource type="QuadMesh" id="QuadMesh_8hcic"]
+
 [node name="BulletDecal" type="Node3D"]
+script = ExtResource("1_mfh3f")
 
 [node name="MeshInstance3D" type="MeshInstance3D" parent="."]
 transform = Transform3D(1, 0, 0, 0, -1, -8.74228e-08, 0, 8.74228e-08, -1, 0, 0, -0.00702295)
 mesh = SubResource("PlaneMesh_q27hx")
 surface_material_override/0 = SubResource("StandardMaterial3D_mfh3f")
+
+[node name="GPUParticles3D" type="GPUParticles3D" parent="MeshInstance3D"]
+transform = Transform3D(1, 0, 0, 0, -1, 8.74228e-08, 0, -8.74228e-08, -1, 0, 5.15351e-11, -0.000589493)
+visible = false
+material_override = SubResource("StandardMaterial3D_q27hx")
+emitting = false
+amount = 16
+lifetime = 1.5
+one_shot = true
+explosiveness = 1.0
+process_material = SubResource("ParticleProcessMaterial_mfh3f")
+draw_pass_1 = SubResource("BoxMesh_nqa4f")
+
+[node name="GPUParticles3D2" type="GPUParticles3D" parent="MeshInstance3D"]
+material_override = SubResource("ShaderMaterial_6cwkj")
+emitting = false
+amount = 16
+lifetime = 0.5
+one_shot = true
+explosiveness = 0.86
+fixed_fps = 60
+process_material = SubResource("ParticleProcessMaterial_nqa4f")
+draw_pass_1 = SubResource("QuadMesh_8hcic")

game/bullet_decal_smoke.gdshader

@@ -0,0 +1,14 @@
+shader_type spatial;
+
+void vertex() {
+	// Called for every vertex the material is visible on.
+}
+
+void fragment() {
+	// Called for every pixel the material is visible on.
+}
+
+//void light() {
+//	// Called for every pixel for every light affecting the material.
+//	// Uncomment to replace the default light processing function with this one.
+//}

game/bullet_decal_smoke.gdshader.uid

@@ -0,0 +1 @@
+uid://buhpmxsxpx5iv

game/bullet_decal_smoke.tres

@@ -0,0 +1,105 @@
+[gd_resource type="VisualShader" load_steps=10 format=3 uid="uid://d4ml3kj8ympbf"]
+
+[ext_resource type="Texture2D" uid="uid://exuvqvppvyre" path="res://assets/textures/cloud_noise.png" id="1_exml1"]
+[ext_resource type="Texture2D" uid="uid://b7n43gk3vc0cm" path="res://assets/textures/circle_mask.png" id="2_3sobh"]
+
+[sub_resource type="VisualShaderNodeTexture" id="VisualShaderNodeTexture_mjuxj"]
+output_port_for_preview = 0
+expanded_output_ports = [0]
+texture = ExtResource("1_exml1")
+
+[sub_resource type="VisualShaderNodeTexture" id="VisualShaderNodeTexture_xamyu"]
+expanded_output_ports = [0]
+texture = ExtResource("2_3sobh")
+
+[sub_resource type="VisualShaderNodeInput" id="VisualShaderNodeInput_qilve"]
+expanded_output_ports = [0]
+input_name = "color"
+
+[sub_resource type="VisualShaderNodeRemap" id="VisualShaderNodeRemap_bocjt"]
+default_input_values = [1, 0.0, 2, 1.0, 3, 0.0, 4, 8.0]
+
+[sub_resource type="VisualShaderNodeFloatOp" id="VisualShaderNodeFloatOp_t3qas"]
+operator = 2
+
+[sub_resource type="VisualShaderNodeInput" id="VisualShaderNodeInput_586rk"]
+expanded_output_ports = [0]
+input_name = "color"
+
+[sub_resource type="VisualShaderNodeFloatOp" id="VisualShaderNodeFloatOp_74lg2"]
+operator = 2
+
+[resource]
+code = "shader_type spatial;
+render_mode blend_mix, depth_draw_opaque, cull_back, diffuse_lambert, specular_schlick_ggx;
+
+uniform sampler2D tex_frg_2;
+uniform sampler2D tex_frg_3;
+
+
+
+void fragment() {
+// Input:4
+	vec4 n_out4p0 = COLOR;
+	float n_out4p1 = n_out4p0.r;
+
+
+	float n_out5p0;
+// Remap:5
+	float n_in5p1 = 0.00000;
+	float n_in5p2 = 1.00000;
+	float n_in5p3 = 0.00000;
+	float n_in5p4 = 8.00000;
+	{
+		float __input_range = n_in5p2 - n_in5p1;
+		float __output_range = n_in5p4 - n_in5p3;
+		n_out5p0 = n_in5p3 + __output_range * ((n_out4p1 - n_in5p1) / __input_range);
+	}
+
+
+// Texture2D:2
+	vec4 n_out2p0 = textureLod(tex_frg_2, UV, n_out5p0);
+	float n_out2p1 = n_out2p0.r;
+
+
+// Texture2D:3
+	vec4 n_out3p0 = texture(tex_frg_3, UV);
+	float n_out3p1 = n_out3p0.r;
+
+
+// FloatOp:6
+	float n_out6p0 = n_out2p1 * n_out3p1;
+
+
+// Input:7
+	vec4 n_out7p0 = COLOR;
+	float n_out7p4 = n_out7p0.a;
+
+
+// FloatOp:8
+	float n_out8p0 = n_out6p0 * n_out7p4;
+
+
+// Output:0
+	ALPHA = n_out8p0;
+
+
+}
+"
+graph_offset = Vector2(-547.271, 545.865)
+nodes/fragment/0/position = Vector2(400, 900)
+nodes/fragment/2/node = SubResource("VisualShaderNodeTexture_mjuxj")
+nodes/fragment/2/position = Vector2(-360, 400)
+nodes/fragment/3/node = SubResource("VisualShaderNodeTexture_xamyu")
+nodes/fragment/3/position = Vector2(-1240, 1020)
+nodes/fragment/4/node = SubResource("VisualShaderNodeInput_qilve")
+nodes/fragment/4/position = Vector2(-1080, 360)
+nodes/fragment/5/node = SubResource("VisualShaderNodeRemap_bocjt")
+nodes/fragment/5/position = Vector2(-700, 500)
+nodes/fragment/6/node = SubResource("VisualShaderNodeFloatOp_t3qas")
+nodes/fragment/6/position = Vector2(-80, 900)
+nodes/fragment/7/node = SubResource("VisualShaderNodeInput_586rk")
+nodes/fragment/7/position = Vector2(-420, 1240)
+nodes/fragment/8/node = SubResource("VisualShaderNodeFloatOp_74lg2")
+nodes/fragment/8/position = Vector2(140, 1040)
+nodes/fragment/connections = PackedInt32Array(4, 1, 5, 0, 5, 0, 2, 1, 2, 1, 6, 0, 3, 1, 6, 1, 7, 4, 8, 1, 6, 0, 8, 0, 8, 0, 0, 1)

game/models/bullet.glb.import

@@ -0,0 +1,37 @@
+[remap]
+
+importer="scene"
+importer_version=1
+type="PackedScene"
+uid="uid://bg1q0xweaefoq"
+path="res://.godot/imported/bullet.glb-761cf96ec3ba072116e1903fca9d773a.scn"
+
+[deps]
+
+source_file="res://models/bullet.glb"
+dest_files=["res://.godot/imported/bullet.glb-761cf96ec3ba072116e1903fca9d773a.scn"]
+
+[params]
+
+nodes/root_type=""
+nodes/root_name=""
+nodes/apply_root_scale=true
+nodes/root_scale=1.0
+nodes/import_as_skeleton_bones=false
+nodes/use_node_type_suffixes=true
+meshes/ensure_tangents=true
+meshes/generate_lods=true
+meshes/create_shadow_meshes=true
+meshes/light_baking=1
+meshes/lightmap_texel_size=0.2
+meshes/force_disable_compression=false
+skins/use_named_skins=true
+animation/import=true
+animation/fps=30
+animation/trimming=false
+animation/remove_immutable_tracks=true
+animation/import_rest_as_RESET=false
+import_script/path=""
+_subresources={}
+gltf/naming_version=1
+gltf/embedded_image_handling=1

game/player.tscn

@@ -209,8 +209,8 @@ process_material = SubResource("ParticleProcessMaterial_dw050")
 draw_pass_1 = SubResource("PlaneMesh_n7ghd")
 
 [node name="RayCast3D" type="RayCast3D" parent="Head/PlayerCamera/pistol"]
-transform = Transform3D(0.998255, -0.041771, 0.0417346, 0.041771, -4.37114e-08, -0.999127, 0.0417346, 0.999127, 0.00174477, 0.000758827, 0.0641694, -0.246936)
-target_position = Vector3(0, -50, 0)
+transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0.000758827, 0.0641694, -0.246936)
+target_position = Vector3(0, 0, -90)
 
 [node name="OverlayFPS" type="CanvasLayer" parent="Head/PlayerCamera"]
 script = ExtResource("5_2hs0m")