public void RenderText(string text, float x, float y, Vector3 color)
{
float tmpX = x;
float tmpY = y;
_textPs.UseProgram();
_textPs.SetVariable("projection", ProjMatrix);
_textPs.SetVariable("textColor", color);
foreach (var c in text)
{
Character ch = _characters[c];
float xpos = tmpX + ch.Bearing.X;
float ypos = tmpY + ch.Bearing.Y - ch.Size.Y;
float w = ch.Size.X;
float h = ch.Size.Y;
float[] vertices = new float[]
{
xpos, ypos + h, 0.0f, 0.0f,
xpos, ypos, 0.0f, 1.0f,
xpos + w, ypos, 1.0f, 1.0f,
xpos + w, ypos + h, 1.0f, 0.0f
};
tmpX += ch.Advance + 1; // Bitshift by 6 to get value in pixels (2^6 = 64
//Console.WriteLine(ch.Advance >> 6);
Texture.SetTexture(ch.TextureID);
vbo.ChangeData(vertices);
vao.Draw();
Texture.Clear();
}
}