감성을 위한 개발요소 - unite seouluniteseoul.com/2019/pdf/d2t1s3.pdfvertex color vertex...

사람이곧회사좋은사람들이좋은게임을만든다는믿음

서우원

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— Design R&D (Character Rendering)

— Normal Shift (Face)

— EyeBrow Rendering

— Character FX

— Changing BG Colour (Color Grading , LUT)

— 2D Polygonal Imposters for 3D Crowds

Body Diffuse Body Normal

Head Diffuse Head Normal

디테일이좋은모델링?

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Normal Map Cartoon Map

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Character Shader Matcap Character Shader

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Character Shader Matcap Character Shader

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float3 worldNorm = normalize(unity_WorldToObject[0].xyz * v.normal.x + unity_WorldToObject[1].xyz * v.normal.y + unity_WorldToObject[2].xyz * v.normal.z);

worldNorm = mul((float3x3)UNITY_MATRIX_V, worldNorm);

uv = (worldNorm.xy * 0.5) * v.color.a + 0.5;

Vertex Color Vertex Color Vertex Color

Eyebrow Back Eyebrow FrontEyebrow

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Eyebrow

ZTest GEqual ZTest LEqual Alpha Eyebrow

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Eyebrow

Hair Eyebrow

(inside)

Face Eyebrow(outside)

Render Queue 800

Ztest LEqualRender Queue 900

Ztest LEqualRender Queue 1000

Ztest LEqualRender Queue 900

Ztest GEqual

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— Matcap

— Add / Multiply

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— Matcap

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Cloud Shadow

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Default Map LUT + LUT +

Default LUT

Default LUT

Imposter

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— Mesh Polygon

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Imposter

— Camera

— Camera

— Texture

Texture

Imposter Shader

— Animation 2 Texture

— Animation Speed, Tempo, Start Time

Model & Imposter

Imposter Animation

— LookAt System

— Facial Animation

— Story Telling Tools

— PostEffect (Using UberShader)

— BTS

— Machine/Deep Learning ( )

— Bug Detection System

Facial Animation

Facial Animation

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— α

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Facial Animation

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Facial Tool

LookAt System

LookAt System

— Bone Animation

— Idle Idle

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LookAt System

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90°90°

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void execute_lookat_after_animation(){Vector3 vhead_dir; // 현재머리가향하는방향Vector3 vlookat_dest; // 바라볼목적지Vector3 vhead_pos; // 머리의현재위치Quat qhead_rot; // 현재 Bip 상의머리회전값

Vector3 _vlookat_dir; // LookAt 연산을위한임시변수Quat _qlookat; // LookAt 연산을위한임시변수float _fdegree; // LookAt 연산을위한임시변수

_vlookat_dir = normalize(vlookat_dest – vhead_pos);_fdegree = degree_a_to_b(vhead_dir , _vlookat_dir);_fdegree = clamp( _fdegree, MIN_HEAD_DEGREE * deltatime, MAX_HEAD_DEGREE * deltatime);_vlookat_dir = rotate_vector3_from_degree( vhead_dir, _fdegree);

_qlookat = quat_from_vector3( _vlookat_dir );

qhead_rot = _qlookat * qhead_rot;}

LookAt System

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Problems on LookAt System

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Problems on LookAt System

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Problems on LookAt System

Story Telling

Strory Telling

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PostEffect

Post Effect

— Bloom (Using DownScaled Buffer)

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down_scaled_buffer_1_4 = downsample( current_bright_pass_buffer, 1/4 );down_scaled_buffer_1_8 = downsample( current_bright_pass_buffer, 1/8 );down_scaled_buffer_1_16 = downsample( current_bright_pass_buffer, 1/16 );

down_scaled_buffer_1_4 = gaussian_blur(down_scaled_buffer_1_4 );down_scaled_buffer_1_8 = gaussian_blur(down_scaled_buffer_1_8 );down_scaled_buffer_1_16 = gaussian_blur(down_scaled_buffer_1_16 );

bloom(down_scaled_buffer_1_4 , down_scaled_buffer_1_8, down_scaled_buffer_1_16);

Post Effect

— Chromatic Aberration Filter

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float2 texcoord = input.uv;

float k = _param.y;float kcube = _param.z;float r2 = (texcoord.x - 0.5) * (texcoord.x - 0.5) + (texcoord.y - 0.5) * (texcoord.y - 0.5);float f = 0.0f;if (kcube == 0.0f) {

f = 1.0f + r2 * k;}else {

f = 1.0f + r2 * (k + kcube * sqrt(r2));}

float x = f*(texcoord.x - 0.5f) + 0.5f;float y = f*(texcoord.y - 0.5f) + 0.5f;

float3 final_chromatic = tex2D(ScreenColor, float2(x, y)).rgb;final_chromatic.z = tex2D(ScreenColor, input.uv).b;

Pseudo-Code (Pixel Shader)

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PostEffect

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// scratchfloat scratch_intensity = _scratch_intensity_smooth_vspd_hspd.x;float scratch_smooth = _scratch_intensity_smooth_vspd_hspd.y;float vert_scrach_spd = _scratch_intensity_smooth_vspd_hspd.z;float hori_scrach_spd = _scratch_intensity_smooth_vspd_hspd.w;

float _scratch_lerp = 1.0f; // outer value

float _vert_line = _Time.x * vert_scrach_spd;float _hori_line = _Time.x * hori_scrach_spd;

float2 _noise_texcoord = float2(i.uv.x + _hori_line, _vert_line);float _scratch = tex2D(noise_texture, _noise_texcoord).x;_scratch = 2.0 * (_scratch - scratch_intensity) / clamp(scratch_smooth, 0.01f, 0.1f);_scratch = clamp(1.0 - abs(1.0f - _scratch), 0.0f, 1.0f);_scratch = lerp(_scratch * _scratch_lerp, 0.0f, 1.0f - lookup_texture_desc.w);_scratch *= 0.6;_scratch = 1.0 - _scratch;

— Chromatic Aberration Filter

— Noise Filter

— Vignette Effect

— Scratched Film Filter

— Color Grading

PostEffectUsing UberShader

— Bloom Filter

— Radial Blur

— Invert Color Filter

Behavior Tree System

Behavior Tree System

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Behavior Tree System

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Root

Selector

IdleSequencer

attackDistance < 50

Behavior Tree System

Root

Selector

IdleSequencer

attackDistance < 50

Root

Selector

IdleSequencer

Distance < 50

Root

Selector

IdleSequencer

Distance < 50 Selector

attackSequencer

Run AwayHP < 50%

Selector

Behavior Tree System—

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Behavior Tree System

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Using BlackBoard1234567

Obj = ObjectMgr.get_object( object_id );Vector3 Diff = Obj.get_pos() – MainChr.get_pos();Float fDist = Diff.length();

If( fDist > 10.0f) return true;

Return false;

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Vector3 obj_pos = BlackBoard.get_pos( object_id);Vector3 main_chr_pos = BlackBoard.get_pos( main_chr_id);Vector3 Diff = obj_pos– main_chr_pos;Float fDist = Diff.length();

If( fDist > 10.0f) return true;

Return false;

Machine & Deep Learning

Progressive Growing Of Gans (Tensorflow)Generative adversarial Network

Git : https://github.com/tkarras/progressive_growing_of_gans

Progressive Growing Of Gans (Tensorflow)Generative adversarial Network

학습구간

학습구간

학습구간

예측구간

예측구간

예측구간

1지역 2지역 3지역 4지역

SaftyZone

Machine Learning (Regression)

Etc …

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Q&A

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