public void Draw(Position[] positions, int length, float time)
{
using (var programBinding = program.Use())
{
programBinding.Set(timeUniform, time);
programBinding.Set(scaleUniform, 0.05f);
using (var ivboBinding = ivbo.BindBuffer())
{
ivboBinding.Data((uint)Marshal.SizeOf <Position>() * MAX_BULLETS, null, BufferUsage.StreamDraw);
ivboBinding.SubData(0, (uint)Marshal.SizeOf <Position>() * (uint)length, positions);
}
using (var vaoBinding = vao.BindVertexArray())
{
vaoBinding.DrawArraysInstanced(PrimitiveType.TriangleStrip, 0, 4, length);
}
}
}
internal void Draw(Position[] positions, int count, float time)
{
using (var programBinding = program.Use())
{
programBinding.Set(scaleUniform, .1f);
programBinding.Set(timeUniform, time);
using (var ivboBinding = ivbo.BindBuffer())
{
ivboBinding.Data((uint)Marshal.SizeOf <Position>() * MAX_SHIPS, null, BufferUsage.StreamDraw);
ivboBinding.SubData(0, (uint)Marshal.SizeOf <Position>() * (uint)count, positions);
}
using (var vaoBinding = vao.BindVertexArray())
vaoBinding.DrawArraysInstanced(PrimitiveType.Triangles, 0, 3, count);
}
}
