diff options
Diffstat (limited to 'src/buffer/vertex/fluid_cell_buffer.cc')
| -rw-r--r-- | src/buffer/vertex/fluid_cell_buffer.cc | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/src/buffer/vertex/fluid_cell_buffer.cc b/src/buffer/vertex/fluid_cell_buffer.cc index a0bfcc3..4930d63 100644 --- a/src/buffer/vertex/fluid_cell_buffer.cc +++ b/src/buffer/vertex/fluid_cell_buffer.cc @@ -2,7 +2,7 @@ #include <vector> -FluidCellBuffer::FluidCellBuffer(GLuint nX, GLuint nY): +FluidCellBuffer::FluidCellBuffer(GLuint nX, GLuint nY, std::function<int(int,int)>&& geometry): _nX(nX), _nY(nY) { glGenVertexArrays(1, &_array); glGenBuffers(1, &_buffer); @@ -10,7 +10,14 @@ FluidCellBuffer::FluidCellBuffer(GLuint nX, GLuint nY): glBindVertexArray(_array); glBindBuffer(GL_ARRAY_BUFFER, _buffer); - const std::vector<GLfloat> data(3*nX*nY, GLfloat{}); + std::vector<GLfloat> data(3*nX*nY, GLfloat{}); + + for ( int x = 0; x < nX; ++x ) { + for ( int y = 0; y < nY; ++y ) { + data[3*nX*y + 3*x + 2] = geometry(x,y); + } + } + glBufferData( GL_ARRAY_BUFFER, data.size() * sizeof(GLfloat), |