public static void GoToTransform(WorldTransform wt)
{
Gl.glPushMatrix();
Gl.glTranslatef((float)wt.CenterPoint.X, (float)wt.CenterPoint.Y, 0.0f);
}
public static void InitScene(WorldTransform transform)
{
PointF ll = transform.WorldLowerLeft;
PointF ur = transform.WorldUpperRight;
Gl.glViewport(0, 0, (int)transform.ScreenSize.Width, (int)transform.ScreenSize.Height);
Gl.glLoadIdentity();
Gl.glOrtho(ll.X,ur.X,ll.Y,ur.Y,-100.0,100.0);
Gl.glClear(Gl.GL_COLOR_BUFFER_BIT | Gl.GL_DEPTH_BUFFER_BIT);
}
public static void DrawGrid(int gridStep, WorldTransform w, bool drawRadii, Color lineColor, Color textColor, Color radiiColor)
{
GLUtility.DisableNiceLines();
for (int i = (int)w.WorldLowerLeft.Y; i < w.WorldUpperRight.Y; i ++)
{
if (i % gridStep == 0)
{
GLUtility.DrawLine(new GLPen(lineColor, 1.0f), (float)w.WorldLowerLeft.X, i, (float)w.WorldUpperRight.X, i);
GLUtility.DrawString(i.ToString() + "m", new Font("verdana", 1), textColor, new PointF(0, i + .25f));
}
}
for (int i = (int)w.WorldLowerLeft.X; i < w.WorldUpperRight.X; i ++)
{
if (i % gridStep == 0)
{
GLUtility.DrawLine(new GLPen(lineColor, 1.0f), i, (float)w.WorldLowerLeft.Y, i, (float)w.WorldUpperRight.Y);
GLUtility.DrawString(i.ToString() + "m", new Font("verdana", 1), textColor, new PointF(i, (float)(w.WorldUpperRight.Y - w.WorldLowerLeft.Y) / 2.0f));
}
}
if (drawRadii)
{
RectangleF r = new RectangleF(new PointF(-gridStep, -gridStep), new SizeF(gridStep * 2.0f, gridStep * 2.0f));
for (int i = 0; i < 20; i++)
{
r.Inflate(gridStep, gridStep);
GLUtility.DrawEllipse(new GLPen(radiiColor, 1), r);
}
}
GLUtility.EnableNiceLines();
}
public static void DrawGrid3D(int gridStep, WorldTransform w, float z, Color lineColor, Color textColor, Color radiiColor)
{
GLUtility.DisableNiceLines();
GLPen pen = new GLPen(lineColor, 1.0f);
pen.GLApplyPen();
Gl.glBegin(Gl.GL_LINES);
for (int i = (int)w.WorldLowerLeft.Y; i < w.WorldUpperRight.Y; i++)
{
if (i % gridStep == 0)
{
Gl.glVertex3f((float)w.WorldLowerLeft.X, i, z);
Gl.glVertex3f((float)w.WorldUpperRight.X, i, z);
//GLUtility.DrawString(i.ToString() + "m", new Font("verdana", 1), textColor, new PointF(0, i + .25f));
}
}
for (int i = (int)w.WorldLowerLeft.X; i < w.WorldUpperRight.X; i++)
{
if (i % gridStep == 0)
{
Gl.glVertex3f(i,(float)w.WorldLowerLeft.Y,z);
Gl.glVertex3f(i, (float)w.WorldUpperRight.Y, z);
//GLUtility.DrawString(i.ToString() + "m", new Font("verdana", 1), textColor, new PointF(i, (float)(w.WorldUpperRight.Y - w.WorldLowerLeft.Y) / 2.0f));
}
}
Gl.glEnd();
GLUtility.EnableNiceLines();
}
public override void UpdateWithWorldTransform(WorldTransform wt)
{
try
{
left = wt.WorldLowerLeft.X;
right = wt.WorldUpperRight.X;
bottom = wt.WorldLowerLeft.Y;
top = wt.WorldUpperRight.Y;
zNear = -200;
zFar = 200;
scale = wt.Scale;
}
catch { }
}
public static void DrawGrid(int gridStep, WorldTransform w, bool drawRadii)
{
DrawGrid(gridStep, w, drawRadii, Color.LightGray, Color.LightGray, Color.LightPink);
}
public GLCameraOrtho(WorldTransform wt)
{
UpdateWithWorldTransform(wt);
}
public override void UpdateWithWorldTransform(WorldTransform wt)
{
aspect = (double)(wt.ScreenSize.Width / wt.ScreenSize.Height);
scale = wt.Scale;
}
float pitch, yaw; // both in degrees
#endregion Fields
#region Constructors
public GLCameraFree(WorldTransform wt)
{
location = new v3f(-5.0f, -5, 5);
up = new v3f(0, 0, 1);
pitch = 30;
yaw = 30;
UpdateWithWorldTransform(wt);
}
public GLCameraChase(WorldTransform wt)
{
eye = eyeRel;
center = centerRel;
up = new v3f(0, 0, 1);
UpdateWithWorldTransform(wt);
}
public abstract void UpdateWithWorldTransform(WorldTransform wt);
