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path: root/src/buffer/vertex/lattice_cell_buffer.cc
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Diffstat (limited to 'src/buffer/vertex/lattice_cell_buffer.cc')
-rw-r--r--src/buffer/vertex/lattice_cell_buffer.cc14
1 files changed, 6 insertions, 8 deletions
diff --git a/src/buffer/vertex/lattice_cell_buffer.cc b/src/buffer/vertex/lattice_cell_buffer.cc
index 2011b14..f3ef47d 100644
--- a/src/buffer/vertex/lattice_cell_buffer.cc
+++ b/src/buffer/vertex/lattice_cell_buffer.cc
@@ -20,13 +20,15 @@ std::vector<GLfloat> makeLattice(GLuint nX, GLuint nY) {
return data;
}
-LatticeCellBuffer::LatticeCellBuffer(GLuint nX, GLuint nY) {
- glGenVertexArrays(1, &_array);
+LatticeCellBuffer::LatticeCellBuffer(GLuint nX, GLuint nY):
+ _nX(nX), _nY(nY) {
glGenBuffers(1, &_buffer);
+ init();
+}
- const std::vector<GLfloat> data = makeLattice(nX, nY);
+void LatticeCellBuffer::init() {
+ const std::vector<GLfloat> data = makeLattice(_nX, _nY);
- glBindVertexArray(_array);
glBindBuffer(GL_ARRAY_BUFFER, _buffer);
glBufferData(
GL_ARRAY_BUFFER,
@@ -34,14 +36,10 @@ LatticeCellBuffer::LatticeCellBuffer(GLuint nX, GLuint nY) {
data.data(),
GL_DYNAMIC_DRAW
);
-
- glEnableVertexAttribArray(0);
- glVertexAttribPointer(0, 1, GL_FLOAT, GL_FALSE, 0, nullptr);
}
LatticeCellBuffer::~LatticeCellBuffer() {
glDeleteBuffers(1, &_buffer);
- glDeleteVertexArrays(1, &_array);
}
GLuint LatticeCellBuffer::getBuffer() const {