public void Run(string[] args)
{
IFont font = Font.AgateSans;
Surface texture = new Surface("bg-bricks.png");
CubeBuilder cb = new CubeBuilder();
cb.Location = Vector3.Zero;
cb.Length = 1;
cb.CreateVertexBuffer();
Input.Unhandled.KeyDown += Keyboard_KeyDown;
int frameCount = 0;
CubeBuilder lightMesh = new CubeBuilder();
lightMesh.Length = 0.02f;
lightMesh.CreateVertexBuffer();
while (AgateApp.IsAlive)
{
Display.BeginFrame();
Display.Clear(Color.Blue);
var shader = AgateBuiltInShaders.Lighting3D;
shader.AmbientLight = Color.Black;
if (lightEnable)
{
lightPos.X = 2f * (float)Math.Sin(lightAngle);
lightPos.Y = 2f * (float)Math.Cos(lightAngle);
shader.EnableLighting = true;
shader.Lights[0] = new Light();
shader.Lights[0].Position = lightPos;
shader.Lights[0].DiffuseColor = Color.White;
shader.Lights[0].AttenuationConstant = 1f;
shader.Lights[0].AttenuationLinear = 0.1f;
shader.Lights[0].AttenuationQuadratic = 0.03f;
}
else
{
shader.EnableLighting = false;
}
Vector3f dir = LookDir;
Vector3f target = eye + dir * 3;
target.Z = 0;
shader.Projection = Matrix4x4.Projection(45, 640 / 480.0f, 0.1f, 200);
shader.View = Matrix4x4.ViewLookAt(eye, target, up);
shader.World = Matrix4x4.RotateZ(angle);
shader.Activate();
cb.VertexBuffer.Textures[0] = texture;
cb.VertexBuffer.DrawIndexed(cb.IndexBuffer);
shader.EnableLighting = false;
shader.World = Matrix4x4.Translation(lightPos);
shader.Activate();
lightMesh.VertexBuffer.Textures[0] = texture;
lightMesh.VertexBuffer.DrawIndexed(lightMesh.IndexBuffer);
AgateBuiltInShaders.Basic2DShader.Activate();
font.DrawText(0, 0, "Location: {0}", eye);
font.DrawText(0, font.FontHeight, "Angle: {0}", lookAngle);
font.DrawText(0, font.FontHeight * 2, "Press L to toggle lighting effects.");
Display.EndFrame();
AgateApp.KeepAlive();
angle += 1 * AgateApp.GameClock.Elapsed.TotalSeconds;
lightAngle += 2.1 * AgateApp.GameClock.Elapsed.TotalSeconds;
if (angle > 6 * Math.PI)
{
angle -= 6 * Math.PI;
}
if (lightAngle > 6 * Math.PI)
{
lightAngle -= 6 * Math.PI;
}
frameCount++;
if (paused)
{
while (paused && advance == false && done == false && AgateApp.IsAlive)
{
AgateApp.KeepAlive();
}
advance = false;
}
if (done)
{
break;
}
}
}