public void UpdateText(string text)
{
GenRectangle();
textString = text;
Ready = false;
textMeshData = null;
textMeshData = createTextMesh();
GL.BindVertexArray(VAO);
GL.BindBuffer(BufferTarget.ArrayBuffer, vbo);
GL.BufferData(BufferTarget.ArrayBuffer, textMeshData.getVertexLength() * Vector2.SizeInBytes, textMeshData.getVertexPositions(), BufferUsageHint.DynamicDraw);
GL.VertexAttribPointer(0, 2, VertexAttribPointerType.Float, false, 0, 0);
GL.EnableVertexAttribArray(0);
GL.BindBuffer(BufferTarget.ArrayBuffer, ubo);
GL.BufferData(BufferTarget.ArrayBuffer, textMeshData.getTextureCoordsLength() * Vector2.SizeInBytes, textMeshData.getTextureCoords(), BufferUsageHint.DynamicDraw);
GL.VertexAttribPointer(1, 2, VertexAttribPointerType.Float, false, 0, 0);
GL.EnableVertexAttribArray(1);
Ready = true;
}
private void SetUpBuffers()
{
VAO = GL.GenVertexArray();
//IBO = GL.GenBuffer();
vbo = GL.GenBuffer();
ubo = GL.GenBuffer();
/*GL.BindBuffer(BufferTarget.ElementArrayBuffer, IBO);
* GL.BufferData(BufferTarget.ElementArrayBuffer, textMeshData.getVertexCount() * sizeof(int), _indices, BufferUsageHint.StaticDraw);*/
GL.BindVertexArray(VAO);
GL.BindBuffer(BufferTarget.ArrayBuffer, vbo);
GL.BufferData(BufferTarget.ArrayBuffer, textMeshData.getVertexLength() * Vector2.SizeInBytes, textMeshData.getVertexPositions(), BufferUsageHint.DynamicDraw);
GL.VertexAttribPointer(0, 2, VertexAttribPointerType.Float, false, 0, 0);
GL.EnableVertexAttribArray(0);
GL.BindBuffer(BufferTarget.ArrayBuffer, ubo);
GL.BufferData(BufferTarget.ArrayBuffer, textMeshData.getTextureCoordsLength() * Vector2.SizeInBytes, textMeshData.getTextureCoords(), BufferUsageHint.DynamicDraw);
GL.VertexAttribPointer(1, 2, VertexAttribPointerType.Float, false, 0, 0);
GL.EnableVertexAttribArray(1);
Ready = true;
}