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Implemented color decay and color tint range support for particles

This commit is contained in:
Brandon Mak 2023-03-30 15:19:54 +08:00
parent 8aa5c681e3
commit 9c19d178db
14 changed files with 142 additions and 4 deletions
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8
Assets/Scenes/Scene2.shade
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@ -1,3 +1,4 @@
- NavData: 0
- EID: 0
Name: Default
IsActive: true
@ -170,8 +171,11 @@
Angular Ranges And Offset: {x: 6.19999981, y: 1.10000002, z: 0, w: 0.100000001}
Rotation Speed: 0.0309999995
Rotation Decay: 0.0199999996
Texture Asset ID: 63456868
Texture Asset ID: 0
Custom Update Shader Asset ID: 0
Color Tint: {x: 1, y: 0, z: 0, w: 1}
Color Tint: {x: 0, y: 1, z: 0.56387639, w: 1}
Color Tint Range: {x: 0.5, y: 0.5, z: 0.5, w: 0}
Color Decay: {x: 0, y: 0, z: 0, w: 0}
Acceleration: {x: 0, y: 0, z: 0}
IsActive: true
Scripts: ~

14
Assets/Shaders/ParticleEmit_CS.glsl
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@ -14,6 +14,8 @@ struct EmitterParameters
float rotationDecay;
vec4 lifeAndSizeRange; // min life, max life, min size, max size
vec4 colorTint;
vec4 colorTintRange;
vec4 colorDecay;
float sizeDecay;
uint textureIndex;
float padding[2];
@ -27,6 +29,7 @@ struct ParticleData
vec4 acceleration;
vec4 scaleAndDecay;
vec4 colorTint;
vec4 colorDecay;
float life;
uint textureIndex;
};
@ -175,9 +178,18 @@ void main()
particle.scaleAndDecay.y = particleSize;
particle.scaleAndDecay.z = emitterParams.data.sizeDecay;
particle.scaleAndDecay.w = emitterParams.data.sizeDecay;
particle.colorDecay = emitterParams.data.colorDecay;
float randRange = rand(seed) * 2.0f - 1.0f;
// Set particle color tint
particle.colorTint = emitterParams.data.colorTint;
particle.colorTint = emitterParams.data.colorTint + vec4 (randRange * emitterParams.data.colorTintRange.x,
randRange * emitterParams.data.colorTintRange.y,
randRange * emitterParams.data.colorTintRange.z,
randRange * emitterParams.data.colorTintRange.w);
// particle.colorTint = emitterParams.data.colorTint;
// Set the texture for the particle
particle.textureIndex = emitterParams.data.textureIndex;

BIN
Assets/Shaders/ParticleEmit_CS.shshaderb
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1
Assets/Shaders/ParticleUpdateGrowThenShrink_CS.glsl
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@ -18,6 +18,7 @@ struct ParticleData
vec4 acceleration;
vec4 scaleAndDecay;
vec4 colorTint;
vec4 colorDecay;
float life;
uint textureIndex;
};

2
Assets/Shaders/ParticleUpdateRandomAcc_CS.glsl
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@ -17,6 +17,8 @@ struct ParticleData
vec4 velocity;
vec4 acceleration;
vec4 scaleAndDecay;
vec4 colorTint;
vec4 colorDecay;
float life;
uint textureIndex;
};

1
Assets/Shaders/ParticleUpdateRandomColor_CS.glsl
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@ -18,6 +18,7 @@ struct ParticleData
vec4 acceleration;
vec4 scaleAndDecay;
vec4 colorTint;
vec4 colorDecay;
float life;
uint textureIndex;
};

2
Assets/Shaders/ParticleUpdate_CS.glsl
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@ -18,6 +18,7 @@ struct ParticleData
vec4 acceleration;
vec4 scaleAndDecay;
vec4 colorTint;
vec4 colorDecay;
float life;
uint textureIndex;
};
@ -126,6 +127,7 @@ void main()
particle.orientationSpeedDecay.x += particle.orientationSpeedDecay.y;
particle.scaleAndDecay.x *= particle.scaleAndDecay.z;
particle.scaleAndDecay.y *= particle.scaleAndDecay.w;
particle.colorTint -= particle.colorDecay * genericDataBuffer.data.dt;
if (particle.orientationSpeedDecay.y > 0.0f)
{

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Assets/Shaders/ParticleUpdate_CS.shshaderb
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2
Assets/Shaders/Particle_VS.glsl
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@ -15,7 +15,6 @@ struct GenericData
uint viewportHeight;
};
struct ParticleData
{
vec4 position;
@ -24,6 +23,7 @@ struct ParticleData
vec4 acceleration;
vec4 scaleAndDecay;
vec4 colorTint;
vec4 colorDecay;
float life;
uint textureIndex;
};

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Assets/Shaders/Particle_VS.shshaderb
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20
SHADE_Engine/src/Editor/EditorWindow/Inspector/SHEditorComponentView.hpp
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@ -903,6 +903,26 @@ namespace SHADE
comp->SetColorTint(val);
});
SHEditorWidgets::DragVec4("Color Decay", {"x", "y", "z", "w"},
[comp = component]()
{
return comp->GetColorDecay();
},
[comp = component](SHVec4 const& val)
{
comp->SetColorDecay(val);
});
SHEditorWidgets::DragVec4("Color Tint Range", { "x", "y", "z", "w" },
[comp = component]()
{
return comp->GetColorTintRange();
},
[comp = component](SHVec4 const& val)
{
comp->SetColorTintRange(val);
});
SHEditorWidgets::DragInt("Texture Index",
[comp = component]()

64
SHADE_Engine/src/Graphics/MiddleEnd/Particles/SHParticleEmitterComponent.cpp
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@ -156,11 +156,45 @@ namespace SHADE
cpuEmitterData.colorTint.z = tint.z;
}
void SHParticleEmitterComponent::SetColorDecayRGB(SHVec3 const& decay) noexcept
{
cpuEmitterData.colorDecay.x = decay.x;
cpuEmitterData.colorDecay.y = decay.y;
cpuEmitterData.colorDecay.z = decay.z;
}
void SHParticleEmitterComponent::SetColorDecayAlpha(float alpha) noexcept
{
cpuEmitterData.colorDecay.w = alpha;
}
void SHParticleEmitterComponent::SetColorTintAlpha(float alpha) noexcept
{
cpuEmitterData.colorTint.w = alpha;
}
void SHParticleEmitterComponent::SetColorTintRange(SHVec4 const& tintRange) noexcept
{
cpuEmitterData.colorTintRange = tintRange;
}
void SHParticleEmitterComponent::SetColorTintRangeRGB(SHVec3 const& tintRange) noexcept
{
cpuEmitterData.colorTintRange.x = tintRange.x;
cpuEmitterData.colorTintRange.y = tintRange.y;
cpuEmitterData.colorTintRange.z = tintRange.z;
}
void SHParticleEmitterComponent::SetColorTintRangeAlpha(float alpha) noexcept
{
cpuEmitterData.colorTintRange.w = alpha;
}
void SHParticleEmitterComponent::SetColorDecay(SHVec4 const& decay) noexcept
{
cpuEmitterData.colorDecay = decay;
}
uint32_t SHParticleEmitterComponent::GetEmissionCount(void) const noexcept
{
return emissionCount;
@ -273,9 +307,39 @@ namespace SHADE
return SHVec3 (cpuEmitterData.colorTint.x, cpuEmitterData.colorTint.y, cpuEmitterData.colorTint.z);
}
SHVec3 SHParticleEmitterComponent::GetColorDecayRGB(void) const noexcept
{
return SHVec3(cpuEmitterData.colorDecay.x, cpuEmitterData.colorDecay.y, cpuEmitterData.colorDecay.z);
}
float SHParticleEmitterComponent::GetColorDecayAlpha(void) const noexcept
{
return cpuEmitterData.colorDecay.w;
}
float SHParticleEmitterComponent::GetColorTintAlpha(void) const noexcept
{
return cpuEmitterData.colorTint.w;
}
SHVec4 const& SHParticleEmitterComponent::GetColorTintRange(void) const noexcept
{
return cpuEmitterData.colorTintRange;
}
SHVec3 SHParticleEmitterComponent::GetColorTintRangeRGB(void) const noexcept
{
return SHVec3(cpuEmitterData.colorTintRange.x, cpuEmitterData.colorTintRange.y, cpuEmitterData.colorTintRange.z);
}
float SHParticleEmitterComponent::GetColorTintRangeAlpha(void) const noexcept
{
return cpuEmitterData.colorTintRange.w;
}
SHVec4 const& SHParticleEmitterComponent::GetColorDecay(void) const noexcept
{
return cpuEmitterData.colorDecay;
}
}

22
SHADE_Engine/src/Graphics/MiddleEnd/Particles/SHParticleEmitterComponent.h
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@ -46,6 +46,12 @@ namespace SHADE
//! Color tint to assign to particles
SHVec4 colorTint;
//! Color tint range to assign to particles
SHVec4 colorTintRange;
//! Color decay for particle
SHVec4 colorDecay;
//! Size decay for particles
float sizeDecayMult;
@ -77,6 +83,9 @@ namespace SHADE
//! Color tinting for particle
SHVec4 colorTint;
//! Color tinting for particle
SHVec4 colorDecay;
//! Life of the particle
float life;
@ -172,6 +181,13 @@ namespace SHADE
void SetColorTint (SHVec4 tint) noexcept;
void SetColorTintRGB (SHVec3 tint) noexcept;
void SetColorTintAlpha (float alpha) noexcept;
void SetColorTintRange (SHVec4 const& tintRange) noexcept;
void SetColorTintRangeRGB (SHVec3 const& tintRange) noexcept;
void SetColorTintRangeAlpha (float alpha) noexcept;
void SetColorDecay (SHVec4 const& decay) noexcept;
void SetColorDecayRGB (SHVec3 const& decay) noexcept;
void SetColorDecayAlpha (float alpha) noexcept;
uint32_t GetEmissionCount (void) const noexcept;
bool GetPassive (void) const noexcept;
@ -194,6 +210,12 @@ namespace SHADE
SHVec4 const& GetColorTint (void) const noexcept;
SHVec3 GetColorTintRGB (void) const noexcept;
float GetColorTintAlpha (void) const noexcept;
SHVec4 const& GetColorTintRange (void) const noexcept;
SHVec3 GetColorTintRangeRGB (void) const noexcept;
float GetColorTintRangeAlpha (void) const noexcept;
SHVec4 const& GetColorDecay (void) const noexcept;
SHVec3 GetColorDecayRGB (void) const noexcept;
float GetColorDecayAlpha (void) const noexcept;
/*-----------------------------------------------------------------------*/
/* NON-INTERFACE FUNCTIONS */

10
SHADE_Engine/src/Serialization/SHYAMLConverters.h
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@ -520,6 +520,8 @@ namespace YAML
static constexpr std::string_view TEXTURE_ASSET_ID_TAG = "Texture Asset ID";
static constexpr std::string_view CUSTOM_UPDATE_SHADER_ASSET_ID_TAG = "Custom Update Shader Asset ID";
static constexpr std::string_view COLOR_TINT_TAG = "Color Tint";
static constexpr std::string_view COLOR_TINT_RANGE_TAG = "Color Tint Range";
static constexpr std::string_view COLOR_DECAY_TAG = "Color Decay";
static constexpr std::string_view ACCELERATION_TAG = "Acceleration";
static YAML::Node encode(SHParticleEmitterComponent const& rhs)
@ -541,6 +543,8 @@ namespace YAML
node[TEXTURE_ASSET_ID_TAG.data()] = rhs.GetTextureAssetID();
node[CUSTOM_UPDATE_SHADER_ASSET_ID_TAG.data()] = rhs.GetCustomUpdateShaderAssetID();
node[COLOR_TINT_TAG.data()] = rhs.GetColorTint();
node[COLOR_TINT_RANGE_TAG.data()] = rhs.GetColorTintRange();
node[COLOR_DECAY_TAG.data()] = rhs.GetColorDecay();
node[ACCELERATION_TAG.data()] = rhs.GetAcceleration();
return node;
@ -591,6 +595,12 @@ namespace YAML
if (node[COLOR_TINT_TAG.data()].IsDefined())
rhs.SetColorTint(node[COLOR_TINT_TAG.data()].as<SHVec4>());
if (node[COLOR_TINT_RANGE_TAG.data()].IsDefined())
rhs.SetColorTintRange(node[COLOR_TINT_RANGE_TAG.data()].as<SHVec4>());
if (node[COLOR_DECAY_TAG.data()].IsDefined())
rhs.SetColorDecay(node[COLOR_DECAY_TAG.data()].as<SHVec4>());
if (node[ACCELERATION_TAG.data()].IsDefined())
rhs.SetAcceleration(node[ACCELERATION_TAG.data()].as<SHVec3>());