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path: root/src/buffer/vertex/particle_vertex_buffer.cc
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Diffstat (limited to 'src/buffer/vertex/particle_vertex_buffer.cc')
-rw-r--r--src/buffer/vertex/particle_vertex_buffer.cc33
1 files changed, 33 insertions, 0 deletions
diff --git a/src/buffer/vertex/particle_vertex_buffer.cc b/src/buffer/vertex/particle_vertex_buffer.cc
new file mode 100644
index 0000000..fc61cc5
--- /dev/null
+++ b/src/buffer/vertex/particle_vertex_buffer.cc
@@ -0,0 +1,33 @@
+#include "particle_vertex_buffer.h"
+
+ParticleVertexBuffer::ParticleVertexBuffer(std::vector<GLfloat>&& data):
+ _data{ std::move(data) } {
+ glGenVertexArrays(1, &_array);
+ glGenBuffers(1, &_buffer);
+
+ glBindVertexArray(_array);
+ glBindBuffer(GL_ARRAY_BUFFER, _buffer);
+ glBufferData(
+ GL_ARRAY_BUFFER,
+ _data.size() * sizeof(GLfloat),
+ _data.data(),
+ GL_STATIC_DRAW
+ );
+
+ glEnableVertexAttribArray(0);
+ glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, 0, nullptr);
+}
+
+ParticleVertexBuffer::~ParticleVertexBuffer() {
+ glDeleteBuffers(1, &_buffer);
+ glDeleteVertexArrays(1, &_array);
+}
+
+GLuint ParticleVertexBuffer::getBuffer() const {
+ return _buffer;
+}
+
+void ParticleVertexBuffer::draw() const {
+ glBindVertexArray(_array);
+ glDrawArrays(GL_POINTS, 0, 3*_data.size());
+}