53 lines
2.1 KiB
HLSL
53 lines
2.1 KiB
HLSL
#ifndef POI_SPAWN_IN_FRAG
|
|
#define POI_SPAWN_FRAG
|
|
#ifndef SPAWN_IN_VARIABLES
|
|
#define SPAWN_IN_VARIABLES
|
|
float3 _SpawnInGradientStart;
|
|
float3 _SpawnInGradientFinish;
|
|
fixed _SpawnInAlpha;
|
|
fixed _SpawnInNoiseIntensity;
|
|
float3 _SpawnInEmissionColor;
|
|
float _SpawnInEmissionOffset;
|
|
float _SpawnInVertOffset;
|
|
float _SpawnInVertOffsetOffset;
|
|
float _EnableScifiSpawnIn;
|
|
#endif
|
|
UNITY_DECLARE_TEX2D_NOSAMPLER(_SpawnInNoise); float4 _SpawnInNoise_ST;
|
|
float calculateGradientValueFrag(float3 start, float3 finish, float3 localPos)
|
|
{
|
|
return inverseLerp3(start, finish, localPos);
|
|
}
|
|
void applySpawnIn(inout float4 finalColor, inout float3 spawnInEmission, float2 uv, float3 localPos)
|
|
{
|
|
|
|
if (_EnableScifiSpawnIn)
|
|
{
|
|
float noise = UNITY_SAMPLE_TEX2D_SAMPLER(_SpawnInNoise, _MainTex, TRANSFORM_TEX(uv, _SpawnInNoise)).r * _SpawnInAlpha * _SpawnInNoiseIntensity;
|
|
float gradient = calculateGradientValueFrag(_SpawnInGradientStart, _SpawnInGradientFinish, localPos);
|
|
float inverseGradient = 1 - gradient;
|
|
float alpha = gradient - _SpawnInAlpha - noise;
|
|
spawnInEmission = saturate(inverseGradient + _SpawnInAlpha + _SpawnInEmissionOffset +noise - 1) * _SpawnInEmissionColor;
|
|
|
|
if((9.0 /*_Mode*/) >= 1)
|
|
{
|
|
clip(ceil(alpha) - 0.001);
|
|
}
|
|
}
|
|
}
|
|
void applySpawnInShadow(float2 uv, float3 localPos)
|
|
{
|
|
|
|
if(_EnableScifiSpawnIn)
|
|
{
|
|
float noise = UNITY_SAMPLE_TEX2D_SAMPLER(_SpawnInNoise, _MainTex, TRANSFORM_TEX(uv, _SpawnInNoise)).r * _SpawnInAlpha * _SpawnInNoiseIntensity;
|
|
float gradient = calculateGradientValueFrag(_SpawnInGradientStart, _SpawnInGradientFinish, localPos);
|
|
float alpha = gradient - _SpawnInAlpha - noise + length(_SpawnInVertOffset);
|
|
|
|
if((9.0 /*_Mode*/) >= 1)
|
|
{
|
|
clip(ceil(alpha) - 0.001);
|
|
}
|
|
}
|
|
}
|
|
#endif
|