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stabilize static liquids
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austin 2024-12-01 19:30:27 -05:00
parent 83b8227b68
commit 251f6d2c66
3 changed files with 25 additions and 3 deletions
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4
buildNumber.properties
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@ -1,3 +1,3 @@
#maven.buildNumber.plugin properties file #maven.buildNumber.plugin properties file
#Sun Dec 01 19:21:24 EST 2024 #Sun Dec 01 19:28:46 EST 2024
buildNumber=502 buildNumber=504

1
docs/src/progress/renderertodo.md
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@ -1217,6 +1217,7 @@ Conditionally rasterize fluid chunks based on homogeneity
Awake fluid chunks based on neighbor state Awake fluid chunks based on neighbor state
Fluid chunk conditionally send update based on sleep status Fluid chunk conditionally send update based on sleep status
Fluid simulation normalization ratio Fluid simulation normalization ratio
Stabilized static liquids

23
src/fluid/src/fluidsim.c
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@ -31,6 +31,7 @@ Chunk ** chunks = NULL;
static inline void saveStep(float * values, const char * name); static inline void saveStep(float * values, const char * name);
static inline void applyGravity(Chunk * currentChunk, Environment * environment); static inline void applyGravity(Chunk * currentChunk, Environment * environment);
static inline void clearArr(float ** d);
void simulate( void simulate(
int numChunks, int numChunks,
@ -524,7 +525,7 @@ void simulate(
} }
float normalizationRatio = 0; float normalizationRatio = 0;
if(transformedDensity != 0){ if(transformedDensity != 0){
normalizationRatio = transformedDensity / (environment->existingDensity + environment->newDensity); normalizationRatio = (environment->existingDensity + environment->newDensity) / transformedDensity;
environment->normalizationRatio = normalizationRatio; environment->normalizationRatio = normalizationRatio;
} }
for(int i = 0; i < numChunks; i++){ for(int i = 0; i < numChunks; i++){
@ -532,6 +533,16 @@ void simulate(
normalizeDensity(DIM,currentChunk->d,normalizationRatio); normalizeDensity(DIM,currentChunk->d,normalizationRatio);
} }
} }
//clear delta arrays
{
for(int i = 0; i < numChunks; i++){
Chunk * currentChunk = chunks[i];
clearArr(currentChunk->d0);
clearArr(currentChunk->u0);
clearArr(currentChunk->v0);
clearArr(currentChunk->w0);
}
}
} }
@ -578,3 +589,13 @@ static inline void applyGravity(Chunk * currentChunk, Environment * environment)
} }
} }
} }
/**
* Clears an array
*/
static inline void clearArr(float ** d){
float * x = GET_ARR_RAW(d,CENTER_LOC);
for(int j = 0; j < DIM * DIM * DIM; j++){
x[j] = 0;
}
}