added z-buffer based transparency to billboard particle shader
This commit is contained in:
betalars
parent
621485290a
commit
04937e270e
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@ -1,134 +1,8 @@
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[gd_scene load_steps=14 format=3 uid="uid://bj3tbkmppabfq"]
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[gd_scene load_steps=5 format=3 uid="uid://bj3tbkmppabfq"]
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[ext_resource type="Shader" path="res://vfx/particle_mixer.gdshader" id="1_g8u1t"]
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[ext_resource type="PackedScene" uid="uid://bdnesuqroi7ss" path="res://vfx/collectable_particles.tscn" id="1_7bqxo"]
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[ext_resource type="Texture2D" uid="uid://dq7jm5ufknbb6" path="res://vfx/lens-flare-particle.png" id="2_mi0wa"]
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[sub_resource type="ShaderMaterial" id="ShaderMaterial_lpenh"]
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render_priority = 0
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shader = ExtResource("1_g8u1t")
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shader_parameter/particle_color = null
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shader_parameter/particle_texture = ExtResource("2_mi0wa")
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[sub_resource type="Gradient" id="Gradient_tjuvm"]
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offsets = PackedFloat32Array(0, 0.50813, 1)
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colors = PackedColorArray(1, 0.877403, 0.516545, 1, 0.94702, 0.505309, 0.59484, 1, 0.735853, 0.324231, 0.687053, 1)
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[sub_resource type="GradientTexture1D" id="GradientTexture1D_d2t20"]
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gradient = SubResource("Gradient_tjuvm")
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[sub_resource type="Gradient" id="Gradient_c8r4y"]
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offsets = PackedFloat32Array(0, 0.00813008, 0.52439, 1)
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colors = PackedColorArray(0, 0, 0, 1, 0.0284553, 0.0284553, 0.0284553, 1, 0.244776, 0.244776, 0.244776, 1, 0, 0, 0, 1)
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[sub_resource type="GradientTexture1D" id="GradientTexture1D_2vogp"]
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gradient = SubResource("Gradient_c8r4y")
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[sub_resource type="ParticleProcessMaterial" id="ParticleProcessMaterial_eegys"]
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emission_shape = 1
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emission_sphere_radius = 0.3
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spread = 180.0
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gravity = Vector3(0, 0.02, 0)
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initial_velocity_max = 0.2
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color_ramp = SubResource("GradientTexture1D_2vogp")
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color_initial_ramp = SubResource("GradientTexture1D_d2t20")
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turbulence_enabled = true
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turbulence_noise_strength = 0.1
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turbulence_noise_scale = 2.0
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turbulence_noise_speed = Vector3(0.1, 0.3, 0.5)
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turbulence_noise_speed_random = 0.3
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turbulence_influence_min = 0.01
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turbulence_influence_max = 0.03
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turbulence_initial_displacement_max = 1.0
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[sub_resource type="Shader" id="Shader_p2314"]
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code = "// NOTE: Shader automatically converted from Godot Engine 4.0.stable's StandardMaterial3D.
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shader_type spatial;
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render_mode blend_mix,depth_draw_opaque,cull_back,diffuse_burley,specular_disabled;
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uniform vec4 albedo : source_color;
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uniform sampler2D texture_albedo : source_color,filter_linear_mipmap,repeat_enable;
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uniform float point_size : hint_range(0,128);
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uniform float roughness : hint_range(0,1);
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uniform sampler2D texture_metallic : hint_default_white,filter_linear_mipmap,repeat_enable;
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uniform vec4 metallic_texture_channel;
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uniform sampler2D texture_roughness : hint_roughness_r,filter_linear_mipmap,repeat_enable;
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uniform float specular;
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uniform float metallic;
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uniform int particles_anim_h_frames;
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uniform int particles_anim_v_frames;
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uniform bool particles_anim_loop;
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uniform vec4 backlight : source_color;
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uniform sampler2D texture_backlight : hint_default_black,filter_linear_mipmap,repeat_enable;
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uniform vec3 uv1_scale;
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uniform vec3 uv1_offset;
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uniform vec3 uv2_scale;
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uniform vec3 uv2_offset;
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void vertex() {
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UV=UV*uv1_scale.xy+uv1_offset.xy;
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mat4 mat_world = mat4(normalize(INV_VIEW_MATRIX[0]), normalize(INV_VIEW_MATRIX[1]) ,normalize(INV_VIEW_MATRIX[2]), MODEL_MATRIX[3]);
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mat_world = mat_world * mat4(vec4(cos(INSTANCE_CUSTOM.x), -sin(INSTANCE_CUSTOM.x), 0.0, 0.0), vec4(sin(INSTANCE_CUSTOM.x), cos(INSTANCE_CUSTOM.x), 0.0, 0.0), vec4(0.0, 0.0, 1.0, 0.0), vec4(0.0, 0.0, 0.0, 1.0));
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MODELVIEW_MATRIX = VIEW_MATRIX * mat_world;
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MODELVIEW_NORMAL_MATRIX = mat3(MODELVIEW_MATRIX);
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float h_frames = float(particles_anim_h_frames);
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float v_frames = float(particles_anim_v_frames);
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float particle_total_frames = float(particles_anim_h_frames * particles_anim_v_frames);
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float particle_frame = floor(INSTANCE_CUSTOM.z * float(particle_total_frames));
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if (!particles_anim_loop) {
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particle_frame = clamp(particle_frame, 0.0, particle_total_frames - 1.0);
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} else {
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particle_frame = mod(particle_frame, particle_total_frames);
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}
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UV /= vec2(h_frames, v_frames);
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UV += vec2(mod(particle_frame, h_frames) / h_frames, floor((particle_frame + 0.5) / h_frames) / v_frames);
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}
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void fragment() {
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vec2 base_uv = UV;
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vec4 albedo_tex = texture(texture_albedo,base_uv);
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albedo_tex *= COLOR;
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ALBEDO = albedo.rgb * albedo_tex.rgb;
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float metallic_tex = dot(texture(texture_metallic,base_uv),metallic_texture_channel);
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METALLIC = metallic_tex * metallic;
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vec4 roughness_texture_channel = vec4(1.0,0.0,0.0,0.0);
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float roughness_tex = dot(texture(texture_roughness,base_uv),roughness_texture_channel);
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ROUGHNESS = roughness_tex * roughness;
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SPECULAR = specular;
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vec3 backlight_tex = texture(texture_backlight,base_uv).rgb;
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BACKLIGHT = (backlight.rgb+backlight_tex);
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}
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"
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[sub_resource type="ShaderMaterial" id="ShaderMaterial_fgrmi"]
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render_priority = 0
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shader = SubResource("Shader_p2314")
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shader_parameter/albedo = Color(1, 1, 1, 1)
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shader_parameter/point_size = 1.0
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shader_parameter/roughness = 1.0
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shader_parameter/metallic_texture_channel = Plane(1, 0, 0, 0)
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shader_parameter/specular = 0.5
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shader_parameter/metallic = 0.0
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shader_parameter/particles_anim_h_frames = 1
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shader_parameter/particles_anim_v_frames = 1
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shader_parameter/particles_anim_loop = false
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shader_parameter/backlight = Color(0, 0, 0, 1)
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shader_parameter/uv1_scale = Vector3(1, 1, 1)
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shader_parameter/uv1_offset = Vector3(0, 0, 0)
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shader_parameter/uv2_scale = Vector3(1, 1, 1)
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shader_parameter/uv2_offset = Vector3(0, 0, 0)
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shader_parameter/texture_albedo = ExtResource("2_mi0wa")
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shader_parameter/texture_backlight = ExtResource("2_mi0wa")
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[sub_resource type="QuadMesh" id="QuadMesh_ea2fp"]
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material = SubResource("ShaderMaterial_fgrmi")
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size = Vector2(0.1, 0.1)
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[sub_resource type="StandardMaterial3D" id="StandardMaterial3D_xd7ns"]
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specular_mode = 2
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vertex_color_use_as_albedo = true
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@ -147,14 +21,7 @@ metallic_specular = 1.0
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[node name="Node3D" type="Node3D"]
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[node name="collectable_particles" type="GPUParticles3D" parent="."]
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material_override = SubResource("ShaderMaterial_lpenh")
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material_overlay = SubResource("ShaderMaterial_lpenh")
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cast_shadow = 0
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amount = 100
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lifetime = 10.0
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process_material = SubResource("ParticleProcessMaterial_eegys")
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draw_pass_1 = SubResource("QuadMesh_ea2fp")
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[node name="collectable_particles" parent="." instance=ExtResource("1_7bqxo")]
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[node name="CSGBox3D" type="CSGBox3D" parent="."]
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transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, -2.66951)
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@ -1,30 +1,138 @@
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[gd_scene load_steps=4 format=3 uid="uid://bdnesuqroi7ss"]
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[gd_scene load_steps=12 format=3 uid="uid://bdnesuqroi7ss"]
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[sub_resource type="StandardMaterial3D" id="StandardMaterial3D_nbr3v"]
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blend_mode = 1
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billboard_mode = 3
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particles_anim_h_frames = 1
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particles_anim_v_frames = 1
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particles_anim_loop = false
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[ext_resource type="Shader" path="res://vfx/particle_mixer.gdshader" id="1_i6oe2"]
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[ext_resource type="Texture2D" uid="uid://dq7jm5ufknbb6" path="res://vfx/lens-flare-particle.png" id="2_h5y3k"]
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[sub_resource type="ParticleProcessMaterial" id="ParticleProcessMaterial_d61lg"]
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[sub_resource type="ShaderMaterial" id="ShaderMaterial_lpenh"]
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render_priority = 0
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shader = ExtResource("1_i6oe2")
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shader_parameter/particle_color = null
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shader_parameter/particle_texture = ExtResource("2_h5y3k")
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[sub_resource type="Gradient" id="Gradient_tjuvm"]
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offsets = PackedFloat32Array(0, 0.50813, 1)
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colors = PackedColorArray(1, 0.877403, 0.516545, 1, 0.94702, 0.505309, 0.59484, 1, 0.735853, 0.324231, 0.687053, 1)
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[sub_resource type="GradientTexture1D" id="GradientTexture1D_d2t20"]
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gradient = SubResource("Gradient_tjuvm")
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[sub_resource type="Gradient" id="Gradient_c8r4y"]
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offsets = PackedFloat32Array(0, 0.00813008, 0.52439, 1)
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colors = PackedColorArray(0, 0, 0, 1, 0.0284553, 0.0284553, 0.0284553, 1, 0.244776, 0.244776, 0.244776, 1, 0, 0, 0, 1)
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[sub_resource type="GradientTexture1D" id="GradientTexture1D_2vogp"]
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gradient = SubResource("Gradient_c8r4y")
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[sub_resource type="ParticleProcessMaterial" id="ParticleProcessMaterial_eegys"]
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emission_shape = 1
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emission_sphere_radius = 1.0
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emission_sphere_radius = 0.3
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spread = 180.0
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gravity = Vector3(0, 1, 0)
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initial_velocity_min = 0.2
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initial_velocity_max = 1.0
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gravity = Vector3(0, 0.02, 0)
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initial_velocity_max = 0.2
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color_ramp = SubResource("GradientTexture1D_2vogp")
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color_initial_ramp = SubResource("GradientTexture1D_d2t20")
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turbulence_enabled = true
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turbulence_noise_strength = 0.1
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turbulence_noise_scale = 2.0
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turbulence_noise_speed = Vector3(0.1, 0.3, 0.5)
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turbulence_noise_speed_random = 0.3
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turbulence_influence_min = 0.05
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turbulence_influence_min = 0.01
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turbulence_influence_max = 0.03
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turbulence_initial_displacement_max = 1.0
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[sub_resource type="Shader" id="Shader_p2314"]
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code = "// NOTE: Shader automatically converted from Godot Engine 4.0.stable's StandardMaterial3D.
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shader_type spatial;
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render_mode blend_mix,depth_draw_opaque,cull_back,diffuse_burley,specular_disabled;
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uniform vec4 albedo : source_color;
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uniform sampler2D texture_albedo : source_color,filter_linear_mipmap,repeat_enable;
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uniform float point_size : hint_range(0,128);
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uniform float roughness : hint_range(0,1);
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uniform sampler2D texture_metallic : hint_default_white,filter_linear_mipmap,repeat_enable;
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uniform vec4 metallic_texture_channel;
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uniform sampler2D texture_roughness : hint_roughness_r,filter_linear_mipmap,repeat_enable;
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uniform float specular;
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uniform float metallic;
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uniform int particles_anim_h_frames;
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uniform int particles_anim_v_frames;
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uniform bool particles_anim_loop;
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uniform vec4 backlight : source_color;
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uniform sampler2D texture_backlight : hint_default_black,filter_linear_mipmap,repeat_enable;
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uniform vec3 uv1_scale;
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uniform vec3 uv1_offset;
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uniform vec3 uv2_scale;
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uniform vec3 uv2_offset;
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void vertex() {
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UV=UV*uv1_scale.xy+uv1_offset.xy;
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mat4 mat_world = mat4(normalize(INV_VIEW_MATRIX[0]), normalize(INV_VIEW_MATRIX[1]) ,normalize(INV_VIEW_MATRIX[2]), MODEL_MATRIX[3]);
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mat_world = mat_world * mat4(vec4(cos(INSTANCE_CUSTOM.x), -sin(INSTANCE_CUSTOM.x), 0.0, 0.0), vec4(sin(INSTANCE_CUSTOM.x), cos(INSTANCE_CUSTOM.x), 0.0, 0.0), vec4(0.0, 0.0, 1.0, 0.0), vec4(0.0, 0.0, 0.0, 1.0));
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MODELVIEW_MATRIX = VIEW_MATRIX * mat_world;
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MODELVIEW_NORMAL_MATRIX = mat3(MODELVIEW_MATRIX);
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float h_frames = float(particles_anim_h_frames);
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float v_frames = float(particles_anim_v_frames);
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float particle_total_frames = float(particles_anim_h_frames * particles_anim_v_frames);
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float particle_frame = floor(INSTANCE_CUSTOM.z * float(particle_total_frames));
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if (!particles_anim_loop) {
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particle_frame = clamp(particle_frame, 0.0, particle_total_frames - 1.0);
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} else {
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particle_frame = mod(particle_frame, particle_total_frames);
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}
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UV /= vec2(h_frames, v_frames);
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UV += vec2(mod(particle_frame, h_frames) / h_frames, floor((particle_frame + 0.5) / h_frames) / v_frames);
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}
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void fragment() {
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vec2 base_uv = UV;
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vec4 albedo_tex = texture(texture_albedo,base_uv);
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albedo_tex *= COLOR;
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ALBEDO = albedo.rgb * albedo_tex.rgb;
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float metallic_tex = dot(texture(texture_metallic,base_uv),metallic_texture_channel);
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METALLIC = metallic_tex * metallic;
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vec4 roughness_texture_channel = vec4(1.0,0.0,0.0,0.0);
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float roughness_tex = dot(texture(texture_roughness,base_uv),roughness_texture_channel);
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ROUGHNESS = roughness_tex * roughness;
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SPECULAR = specular;
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vec3 backlight_tex = texture(texture_backlight,base_uv).rgb;
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BACKLIGHT = (backlight.rgb+backlight_tex);
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}
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"
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[sub_resource type="ShaderMaterial" id="ShaderMaterial_fgrmi"]
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render_priority = 0
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shader = SubResource("Shader_p2314")
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shader_parameter/albedo = Color(1, 1, 1, 1)
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shader_parameter/point_size = 1.0
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shader_parameter/roughness = 1.0
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shader_parameter/metallic_texture_channel = Plane(1, 0, 0, 0)
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shader_parameter/specular = 0.5
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shader_parameter/metallic = 0.0
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shader_parameter/particles_anim_h_frames = 1
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shader_parameter/particles_anim_v_frames = 1
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shader_parameter/particles_anim_loop = false
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shader_parameter/backlight = Color(0, 0, 0, 1)
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shader_parameter/uv1_scale = Vector3(1, 1, 1)
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shader_parameter/uv1_offset = Vector3(0, 0, 0)
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shader_parameter/uv2_scale = Vector3(1, 1, 1)
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shader_parameter/uv2_offset = Vector3(0, 0, 0)
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shader_parameter/texture_albedo = ExtResource("2_h5y3k")
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shader_parameter/texture_backlight = ExtResource("2_h5y3k")
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[sub_resource type="QuadMesh" id="QuadMesh_ea2fp"]
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material = SubResource("ShaderMaterial_fgrmi")
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size = Vector2(0.1, 0.1)
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[node name="collectable_particles" type="GPUParticles3D"]
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material_override = SubResource("StandardMaterial3D_nbr3v")
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amount = 30
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material_override = SubResource("ShaderMaterial_lpenh")
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cast_shadow = 0
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amount = 50
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lifetime = 10.0
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process_material = SubResource("ParticleProcessMaterial_d61lg")
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process_material = SubResource("ParticleProcessMaterial_eegys")
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draw_pass_1 = SubResource("QuadMesh_ea2fp")
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@ -4,6 +4,7 @@ render_mode blend_add, specular_disabled;
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uniform sampler2D particle_texture;
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uniform vec4 particle_color : source_color;
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uniform sampler2D DEPTH_TEXTURE: hint_depth_texture;
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void vertex() {
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mat4 mat_world = mat4(normalize(INV_VIEW_MATRIX[0]), normalize(INV_VIEW_MATRIX[1]) ,normalize(INV_VIEW_MATRIX[2]), MODEL_MATRIX[3]);
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@ -14,7 +15,11 @@ void vertex() {
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}
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void fragment() {
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ALBEDO = texture(particle_texture,UV/2.0).xyz * COLOR.xyz;
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float depth = texture(DEPTH_TEXTURE, SCREEN_UV).r;
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depth = PROJECTION_MATRIX[3][2] / (depth + PROJECTION_MATRIX[2][2]);
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depth += VERTEX.z;
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depth = max(0.0,min(1.0, (depth*10.0 - 0.1)));
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ALBEDO = texture(particle_texture,UV/2.0).xyz * COLOR.xyz * depth;
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EMISSION = ALBEDO/8.0;
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BACKLIGHT = ALBEDO;
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SPECULAR = 0.0;
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