42a568e · hyper-godot4-test

Changed files (15) +410 -0

assets/particles/BlueFire.tscn +52 -0

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	1	[gd_scene load_steps=10 format=2]
	2
	3	[ext_resource path="res://assets/shaders/FireMask.png" type="Texture" id=1]
	4	[ext_resource path="res://assets/shaders/HoleNoise.png" type="Texture" id=2]
	5	[ext_resource path="res://assets/shaders/stylized_fire.shader" type="Shader" id=3]
	6	[ext_resource path="res://assets/shaders/BlueFireGradient.tres" type="Texture" id=4]
	7
	8	[sub_resource type="ShaderMaterial" id=1]
	9	shader = ExtResource( 3 )
	10	shader_param/emission_intensity = 2.0
	11	shader_param/time_scale = 3.0
	12	shader_param/texture_scale = Vector2( 1, 1 )
	13	shader_param/edge_softness = 0.1
	14	shader_param/noise_texture = ExtResource( 2 )
	15	shader_param/texture_mask = ExtResource( 1 )
	16
	17	[sub_resource type="Curve" id=4]
	18	_data = [ Vector2( 0.0108696, 0.0090909 ), 0.0, -0.418182, 0, 0, Vector2( 1, 1 ), 1.27656, 0.0, 0, 0 ]
	19
	20	[sub_resource type="CurveTexture" id=5]
	21	width = 128
	22	curve = SubResource( 4 )
	23
	24	[sub_resource type="ParticlesMaterial" id=8]
	25	emission_shape = 1
	26	emission_sphere_radius = 1.0
	27	direction = Vector3( 0, 1, 0 )
	28	spread = 0.0
	29	gravity = Vector3( 0, 0, 0 )
	30	initial_velocity = 0.5
	31	linear_accel = 4.0
	32	scale_random = 1.0
	33	scale_curve = SubResource( 5 )
	34	color_ramp = ExtResource( 4 )
	35
	36	[sub_resource type="QuadMesh" id=7]
	37	size = Vector2( 0.5, 0.5 )
	38
	39	[node name="BlueFire" type="Particles"]
	40	transform = Transform( 0.996392, 0, 0, 0, 0.996392, 0, 0, 0, 0.996392, -1.78327, 1.26708, 0 )
	41	material_override = SubResource( 1 )
	42	cast_shadow = 0
	43	amount = 20
	44	explosiveness = 0.45
	45	randomness = 0.74
	46	draw_order = 1
	47	process_material = SubResource( 8 )
	48	draw_pass_1 = SubResource( 7 )
	49
	50	[node name="OmniLight" type="OmniLight" parent="."]
	51	light_color = Color( 0.560784, 0.752941, 1, 1 )
	52	light_energy = 2.0

assets/particles/BlueFireGradient.tres +8 -0

…	…	@@ -0,0 +1,8 @@
	1	[gd_resource type="GradientTexture" load_steps=2 format=2]
	2
	3	[sub_resource type="Gradient" id=1]
	4	colors = PoolColorArray( 0, 0.941406, 1, 1, 0.335327, 0, 0.640625, 0 )
	5
	6	[resource]
	7	gradient = SubResource( 1 )
	8	width = 128

assets/particles/CloudNoise.tres +9 -0

…	…	@@ -0,0 +1,9 @@
	1	[gd_resource type="NoiseTexture" load_steps=2 format=2]
	2
	3	[sub_resource type="OpenSimplexNoise" id=1]
	4	period = 119.4
	5	persistence = 0.449
	6
	7	[resource]
	8	seamless = true
	9	noise = SubResource( 1 )

assets/particles/FireGradient.tres +8 -0

…	…	@@ -0,0 +1,8 @@
	1	[gd_resource type="GradientTexture" load_steps=2 format=2]
	2
	3	[sub_resource type="Gradient" id=1]
	4	colors = PoolColorArray( 1, 0.890625, 0, 1, 1, 0, 0.447059, 0 )
	5
	6	[resource]
	7	gradient = SubResource( 1 )
	8	width = 128

assets/particles/FireMask.png +0 -0

(no content changes — binary or rename)

assets/particles/FireMask.png.import +35 -0

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	1	[remap]
	2
	3	importer="texture"
	4	type="CompressedTexture2D"
	5	uid="uid://d4ejlwj2m2rct"
	6	path.s3tc="res://.godot/imported/FireMask.png-553f87899aee20cf715415b16d244fb2.s3tc.ctex"
	7	path.etc2="res://.godot/imported/FireMask.png-553f87899aee20cf715415b16d244fb2.etc2.ctex"
	8	metadata={
	9	"imported_formats": ["s3tc", "etc2"],
	10	"vram_texture": true
	11	}
	12
	13	[deps]
	14
	15	source_file="res://assets/particles/FireMask.png"
	16	dest_files=["res://.godot/imported/FireMask.png-553f87899aee20cf715415b16d244fb2.s3tc.ctex", "res://.godot/imported/FireMask.png-553f87899aee20cf715415b16d244fb2.etc2.ctex"]
	17
	18	[params]
	19
	20	compress/mode=2
	21	compress/lossy_quality=0.7
	22	compress/hdr_compression=1
	23	compress/bptc_ldr=0
	24	compress/normal_map=0
	25	compress/channel_pack=0
	26	mipmaps/generate=true
	27	mipmaps/limit=-1
	28	roughness/mode=0
	29	roughness/src_normal=""
	30	process/fix_alpha_border=true
	31	process/premult_alpha=false
	32	process/normal_map_invert_y=false
	33	process/hdr_as_srgb=false
	34	process/size_limit=0
	35	detect_3d/compress_to=0

assets/particles/GreenFireGradient.tres +8 -0

…	…	@@ -0,0 +1,8 @@
	1	[gd_resource type="GradientTexture" load_steps=2 format=2]
	2
	3	[sub_resource type="Gradient" id=1]
	4	colors = PoolColorArray( 0.21875, 1, 0, 1, 0, 0.640625, 0.145142, 0 )
	5
	6	[resource]
	7	gradient = SubResource( 1 )
	8	width = 128

assets/particles/HoleNoise.png +0 -0

(no content changes — binary or rename)

assets/particles/HoleNoise.png.import +33 -0

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	1	[remap]
	2
	3	importer="texture"
	4	type="CompressedTexture2D"
	5	uid="uid://cm3pm6yiceahb"
	6	path="res://.godot/imported/HoleNoise.png-9d1e8c57751bc4c582a578c9feb378c0.ctex"
	7	metadata={
	8	"vram_texture": false
	9	}
	10
	11	[deps]
	12
	13	source_file="res://assets/particles/HoleNoise.png"
	14	dest_files=["res://.godot/imported/HoleNoise.png-9d1e8c57751bc4c582a578c9feb378c0.ctex"]
	15
	16	[params]
	17
	18	compress/mode=0
	19	compress/lossy_quality=0.7
	20	compress/hdr_compression=1
	21	compress/bptc_ldr=0
	22	compress/normal_map=0
	23	compress/channel_pack=0
	24	mipmaps/generate=false
	25	mipmaps/limit=-1
	26	roughness/mode=0
	27	roughness/src_normal=""
	28	process/fix_alpha_border=true
	29	process/premult_alpha=false
	30	process/normal_map_invert_y=false
	31	process/hdr_as_srgb=false
	32	process/size_limit=0
	33	detect_3d/compress_to=1

assets/particles/RedFire.tscn +68 -0

…	…	@@ -0,0 +1,68 @@
	1	[gd_scene load_steps=11 format=2]
	2
	3	[ext_resource path="res://assets/shaders/HoleNoise.png" type="Texture" id=1]
	4	[ext_resource path="res://assets/shaders/FireMask.png" type="Texture" id=2]
	5	[ext_resource path="res://assets/shaders/stylized_fire.shader" type="Shader" id=4]
	6
	7	[sub_resource type="ShaderMaterial" id=1]
	8	shader = ExtResource( 4 )
	9	shader_param/emission_intensity = 10.0
	10	shader_param/time_scale = 1.0
	11	shader_param/texture_scale = Vector2( 1, 1 )
	12	shader_param/edge_softness = 0.4
	13	shader_param/noise_texture = ExtResource( 1 )
	14	shader_param/texture_mask = ExtResource( 2 )
	15
	16	[sub_resource type="Gradient" id=9]
	17	colors = PoolColorArray( 0, 0.941406, 1, 1, 0.335327, 0, 0.640625, 0 )
	18
	19	[sub_resource type="GradientTexture" id=10]
	20	gradient = SubResource( 9 )
	21	width = 128
	22
	23	[sub_resource type="Curve" id=4]
	24	_data = [ Vector2( 0.0108696, 0.0090909 ), 0.0, -0.418182, 0, 0, Vector2( 1, 1 ), 1.27656, 0.0, 0, 0 ]
	25
	26	[sub_resource type="CurveTexture" id=5]
	27	width = 128
	28	curve = SubResource( 4 )
	29
	30	[sub_resource type="ParticlesMaterial" id=8]
	31	render_priority = 1
	32	emission_shape = 2
	33	emission_box_extents = Vector3( 1, 1, 1 )
	34	direction = Vector3( 0, 1, 0 )
	35	spread = 0.0
	36	gravity = Vector3( 0, 0, 0 )
	37	initial_velocity = 0.5
	38	angular_velocity_random = 1.0
	39	linear_accel = 4.0
	40	radial_accel = -68.63
	41	tangential_accel = -7.77
	42	tangential_accel_random = 0.83
	43	damping = 58.82
	44	damping_random = 0.85
	45	angle = -564.7
	46	scale = 15.0
	47	scale_random = 1.0
	48	scale_curve = SubResource( 5 )
	49	color_ramp = SubResource( 10 )
	50
	51	[sub_resource type="QuadMesh" id=7]
	52	size = Vector2( 0.5, 0.5 )
	53
	54	[node name="RedFire" type="Particles"]
	55	transform = Transform( 1, 0, 0, 0, 1, 0, 0, 0, 1, -1.78327, 1.26708, 0 )
	56	material_override = SubResource( 1 )
	57	cast_shadow = 0
	58	amount = 20
	59	explosiveness = 0.45
	60	randomness = 0.74
	61	draw_order = 1
	62	process_material = SubResource( 8 )
	63	draw_pass_1 = SubResource( 7 )
	64
	65	[node name="OmniLight" type="OmniLight" parent="."]
	66	light_color = Color( 0.14902, 0.921569, 1, 1 )
	67	light_energy = 2.0
	68	omni_attenuation = 7.46425

assets/particles/WispyNoise.png +0 -0

(no content changes — binary or rename)

assets/particles/WispyNoise.png.import +33 -0

…	…	@@ -0,0 +1,33 @@
	1	[remap]
	2
	3	importer="texture"
	4	type="CompressedTexture2D"
	5	uid="uid://bnuyfp5ju72wd"
	6	path="res://.godot/imported/WispyNoise.png-48a0fd4bd5fc8ff1f1b280d16213ca41.ctex"
	7	metadata={
	8	"vram_texture": false
	9	}
	10
	11	[deps]
	12
	13	source_file="res://assets/particles/WispyNoise.png"
	14	dest_files=["res://.godot/imported/WispyNoise.png-48a0fd4bd5fc8ff1f1b280d16213ca41.ctex"]
	15
	16	[params]
	17
	18	compress/mode=0
	19	compress/lossy_quality=0.7
	20	compress/hdr_compression=1
	21	compress/bptc_ldr=0
	22	compress/normal_map=0
	23	compress/channel_pack=0
	24	mipmaps/generate=false
	25	mipmaps/limit=-1
	26	roughness/mode=0
	27	roughness/src_normal=""
	28	process/fix_alpha_border=true
	29	process/premult_alpha=false
	30	process/normal_map_invert_y=false
	31	process/hdr_as_srgb=false
	32	process/size_limit=0
	33	detect_3d/compress_to=1

assets/particles/impact.tscn +51 -0

…	…	@@ -0,0 +1,51 @@
	1	[gd_scene load_steps=9 format=3 uid="uid://cdhytj7hq0otb"]
	2
	3	[ext_resource type="Texture2D" uid="uid://d4ejlwj2m2rct" path="res://assets/particles/FireMask.png" id="1_41t08"]
	4
	5	[sub_resource type="Gradient" id="Gradient_uumr1"]
	6	colors = PackedColorArray(0, 0, 0, 1, 1, 1, 1, 0)
	7
	8	[sub_resource type="GradientTexture1D" id="GradientTexture1D_duqqp"]
	9	gradient = SubResource( "Gradient_uumr1" )
	10
	11	[sub_resource type="Curve" id="Curve_jl5ig"]
	12	_data = [Vector2(0, 0), 0.0, 3.05455, 0, 0, Vector2(1, 1), 0.298004, 0.0, 0, 0]
	13
	14	[sub_resource type="CurveTexture" id="CurveTexture_ejl88"]
	15	curve = SubResource( "Curve_jl5ig" )
	16
	17	[sub_resource type="ParticlesMaterial" id="ParticlesMaterial_288xr"]
	18	emission_shape = 6
	19	emission_ring_axis = Vector3(0, 90, 1)
	20	emission_ring_height = 0.1
	21	emission_ring_radius = 1.0
	22	emission_ring_inner_radius = 0.5
	23	direction = Vector3(0, 0, 0)
	24	gravity = Vector3(0, 0, 0)
	25	tangential_accel_max = 1.23
	26	scale_min = 0.1
	27	scale_max = 0.5
	28	scale_curve = SubResource( "CurveTexture_ejl88" )
	29	color = Color(0.501961, 0.501961, 0.501961, 1)
	30	color_ramp = SubResource( "GradientTexture1D_duqqp" )
	31
	32	[sub_resource type="ORMMaterial3D" id="ORMMaterial3D_yuhto"]
	33	transparency = 1
	34	blend_mode = 1
	35	no_depth_test = true
	36	albedo_texture = ExtResource( "1_41t08" )
	37	billboard_mode = 3
	38	particles_anim_h_frames = 1
	39	particles_anim_v_frames = 1
	40	particles_anim_loop = false
	41
	42	[sub_resource type="QuadMesh" id="QuadMesh_i58mu"]
	43	material = SubResource( "ORMMaterial3D_yuhto" )
	44
	45	[node name="Node3D" type="Node3D"]
	46
	47	[node name="GPUParticles3D" type="GPUParticles3D" parent="."]
	48	amount = 200
	49	explosiveness = 1.0
	50	process_material = SubResource( "ParticlesMaterial_288xr" )
	51	draw_pass_1 = SubResource( "QuadMesh_i58mu" )

assets/particles/particles.res +0 -0

(no content changes — binary or rename)

assets/particles/stylized_fire.gdshader +105 -0

…	…	@@ -0,0 +1,105 @@
	1	// ANCHOR: all
	2	// This shader is based on Minionsart's stylized fire
	3	// https://twitter.com/minionsart/status/1132593681452683264?s=20
	4	shader_type spatial;
	5	render_mode blend_mix;
	6
	7	// This texture must be seamless!
	8	// Experiment with the different noises provided in the res://Demos/StylizedFire/ folder
	9	uniform sampler2D noise_texture;
	10
	11	uniform sampler2D texture_mask;
	12	uniform float emission_intensity = 2.0;
	13	uniform float time_scale = 3.0;
	14	uniform vec2 texture_scale = vec2(1.0);
	15	uniform float edge_softness = 0.1;
	16
	17	// ANCHOR: varying
	18	varying vec3 world_coord;
	19	varying float world_x_dot;
	20	// END: varying
	21
	22	void vertex() {
	23	// ANCHOR: matworld_1
	24	// Billboard code, taken directly from a spatial material
	25	// create a spatial material, enable billboard with billboard keep scale, and then convert
	26	// to shader material, and it will create a shader with this code.
	27	mat4 mat_world = mat4(
	28	normalize(CAMERA_MATRIX[0]) * length(WORLD_MATRIX[0]),
	29	normalize(CAMERA_MATRIX[1]) * length(WORLD_MATRIX[0]),
	30	normalize(CAMERA_MATRIX[2]) * length(WORLD_MATRIX[2]),
	31	WORLD_MATRIX[3]);
	32	// END: matworld_1
	33	// ANCHOR: matworld_2
	34	mat_world *= mat4(
	35	vec4(cos(INSTANCE_CUSTOM.x), -sin(INSTANCE_CUSTOM.x), 0.0, 0.0),
	36	vec4(sin(INSTANCE_CUSTOM.x), cos(INSTANCE_CUSTOM.x), 0.0, 0.0),
	37	vec4(0.0, 0.0, 1.0, 0.0),
	38	vec4(0.0, 0.0, 0.0, 1.0));
	39	// END: matworld_2
	40	// ANCHOR: modelview
	41	MODELVIEW_MATRIX = INV_CAMERA_MATRIX * mat_world;
	42	// END: modelview
	43	// ANCHOR: varying_calculations
	44	// We map the coordinates on the vertical planes xy and zy
	45	// we also calculate how to blend between the two based on where the world space normal
	46	// is pointing.
	47	world_coord = (mat_world * vec4(VERTEX, 1.0)).xyz;
	48	vec4 world_normal = (mat_world * vec4(NORMAL, 0.0));
	49	world_x_dot = abs(dot(normalize(world_normal.xyz), vec3(1.0, 0.0, 0.0)));
	50	// END: varying_calculations
	51	}
	52
	53	void fragment() {
	54	// ANCHOR: mask
	55	// We sample the mask texture based on regular UV
	56	// We don't want the particles to show their square shape
	57	// so we use a round, black and white, mask texture
	58	float mask = texture(texture_mask, UV).r;
	59	// END: mask
	60	// ANCHOR: pan
	61	vec2 time_based_pan = vec2(0.2, 1.0) * (-TIME * time_scale);
	62	// END: pan
	63	// ANCHOR: noise_planes
	64	// We sample the noise both from the xy plane and from the zy plane, adding a time-based
	65	// panning. If we didn't do this, we would see the holes of the noise will always be in the
	66	// same space in global coordinates. Set the time_scale to zero to see how it would look like.
	67	// To add more variation, we could sample from another noise that has a different scale and panning speed.
	68	// The additional offset on the zy noise is to avoid mirroring effects when
	69	// the view vector is between same-sign x and z axes
	70	float noise_xy = texture(noise_texture, world_coord.xy * texture_scale + time_based_pan).r;
	71	float noise_zy = texture(noise_texture,
	72	world_coord.zy * texture_scale + time_based_pan + vec2(0.7, 0.3)).r;
	73	// END: noise_planes
	74	// ANCHOR: noise_mix
	75	// We blend the noise based on world_x_dot, which is the dot product between
	76	// the normal of the billboard plane, and the global x axis. If we face the global
	77	// x axis, then we sample from the xy plane, otherwise, we sample from the zy plane
	78	float noise = mix(noise_xy, noise_zy, clamp(world_x_dot, 0.0, 1.0));
	79	// END: noise_mix
	80	// The particle color is assigned to the vertex color, which is called COLOR
	81	ALBEDO = COLOR.rgb;
	82	// ANCHOR: emission
	83	// Assign the same color for emission, multiplied by the emission intensity
	84	EMISSION = ALBEDO * emission_intensity;
	85	// END: emission
	86	// ANCHOR: alpha_erosion
	87	// Instead of blending out the particle, we apply a technique called alpha erosion, where we
	88	// subtract an erosion amount from the alpha.
	89	float alpha = noise * mask;
	90	alpha += COLOR.a - 1.0;
	91	// END: alpha_erosion
	92	// ANCHOR: alpha_clamp
	93	// Because we perform a subtraction, we ensure that the alpha is always between 0 and 1.
	94	// If the alpha goes negative or above 1, a number of visual artifacts appear.
	95	alpha = clamp(alpha, 0.0, 1.0);
	96	// END: alpha_clamp
	97	// ANCHOR: smoothstep
	98	// In order to give this fire a stylized vibe, we use smoothstep to remap the alpha value
	99	// We could use step(0.1, alpha), but then there would be an abrupt cut between transparent and
	100	// non transparent (exactly as if we discarded the fragment with discard)
	101	// smoothstep gives a nice blend on the edges instead
	102	ALPHA = smoothstep(0.0, edge_softness, alpha);
	103	// END: smoothstep
	104	}
	105	// END: all

hyper-godot4-test commits / 42a568e

Changed files (15) +410 -0