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This commit is contained in:
Johan Maasing 2025-01-26 20:07:57 +01:00
parent bc6a3cd1c1
commit a2f1e11af8
3 changed files with 41 additions and 33 deletions
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27
simulation.cpp
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@ -6,11 +6,11 @@ namespace simulation
unsigned char x,
unsigned char y,
unsigned char z,
SimulationGrid* grid)
SimulationGrid grid)
{
if (x < grid->x_max && y < grid->y_max && z < grid->z_max)
if (x < grid.x_max && y < grid.y_max && z < grid.z_max)
{
unsigned int offset = x + y * grid->x_max + z * (grid->y_max * grid->x_max);
unsigned int offset = x + y * grid.x_max + z * (grid.y_max * grid.x_max);
return offset;
}
return -1;
@ -18,31 +18,30 @@ namespace simulation
void step(
double millisecondsSinceLastStep,
SimulationGrid* input,
SimulationGrid* output)
SimulationGrid grid)
{
for (unsigned char x = 0; x < input->x_max; x++)
for (unsigned char x = 0; x < grid.x_max; x++)
{
for (unsigned char y = 0; y < input->y_max; y++)
for (unsigned char y = 0; y < grid.y_max; y++)
{
for (unsigned char z = 0; z < input->z_max; z++)
for (unsigned char z = 0; z < grid.z_max; z++)
{
unsigned int offset = getCellOffset(x, y, z, input);
unsigned int material = input->cells[offset];
unsigned int offset = getCellOffset(x, y, z, grid);
unsigned int material = grid.in[offset];
switch (material)
{
case WATER:
if (y > 0)
{
unsigned int downOffset = getCellOffset(x, y - 1, z, input);
unsigned int downOffset = getCellOffset(x, y - 1, z, grid);
// Flow down if cell is empty
if (output->cells[downOffset] == 0)
if (grid.out[downOffset] == 0)
{
output->cells[downOffset] = material;
grid.out[downOffset] = material;
}
}
default:
output->cells[offset] = material;
grid.out[offset] = material;
}
}
}