aboutsummaryrefslogtreecommitdiff
path: root/src
diff options
context:
space:
mode:
Diffstat (limited to 'src')
-rw-r--r--src/buffer/vertex/fluid_cell_buffer.cc12
1 files changed, 8 insertions, 4 deletions
diff --git a/src/buffer/vertex/fluid_cell_buffer.cc b/src/buffer/vertex/fluid_cell_buffer.cc
index c602e0c..a0bfcc3 100644
--- a/src/buffer/vertex/fluid_cell_buffer.cc
+++ b/src/buffer/vertex/fluid_cell_buffer.cc
@@ -1,16 +1,20 @@
#include "fluid_cell_buffer.h"
+#include <vector>
+
FluidCellBuffer::FluidCellBuffer(GLuint nX, GLuint nY):
- _data(3*nX*nY, GLfloat{}) {
+ _nX(nX), _nY(nY) {
glGenVertexArrays(1, &_array);
glGenBuffers(1, &_buffer);
glBindVertexArray(_array);
glBindBuffer(GL_ARRAY_BUFFER, _buffer);
+
+ const std::vector<GLfloat> data(3*nX*nY, GLfloat{});
glBufferData(
GL_ARRAY_BUFFER,
- _data.size() * sizeof(GLfloat),
- _data.data(),
+ data.size() * sizeof(GLfloat),
+ data.data(),
GL_DYNAMIC_DRAW
);
@@ -29,5 +33,5 @@ GLuint FluidCellBuffer::getBuffer() const {
void FluidCellBuffer::draw() const {
glBindVertexArray(_array);
- glDrawArrays(GL_POINTS, 0, _data.size());
+ glDrawArrays(GL_POINTS, 0, _nX*_nY);
}