private void RenderConstName(GlobeOverlay overlay, Vector3 xyz, Vector2 labelScale, Color4 c)
{
if (overlay.Font != null && !string.IsNullOrWhiteSpace(overlay.Label))
{
GL.Disable(All.Lighting);
GL.BlendFunc(All.SrcAlpha, All.OneMinusSrcAlpha);
GL.Enable(All.Blend);
overlay.Font.Color = c;
overlay.Font.Scale = labelScale;
int length = overlay.Font.MeasureString(overlay.Label);
float centeredX = xyz.X - (length / 2F);
float centeredY = xyz.Y + (overlay.Font.LineHeight / 2F);
overlay.Font.PrintAt(overlay.Label, centeredX, centeredY, xyz.Z);
}
}
private void CreateOverlays(int mFlareSource, TexFont texFont)
{
// zero
var overlay = new GlobeOverlay
{
Position = this.engine.Planet.GetGeoCoord(0, 0),
Label = "Zero",
DotTexture = mFlareSource,
Font = texFont
};
this.engine.Planet.Overlays.Add(overlay);
// melborne : 37.7833° S, 144.9667° E
overlay = new GlobeOverlay
{
Position = this.engine.Planet.GetGeoCoord(-144.9667F, -37.7833F),
Label = "Melborne",
DotTexture = mFlareSource,
Font = texFont
};
this.engine.Planet.Overlays.Add(overlay);
// capeTown : 33.9767° S, 18.4244° E
overlay = new GlobeOverlay
{
Position = this.engine.Planet.GetGeoCoord(-18.4244F, -33.9767F),
Label = "Cape Town",
DotTexture = mFlareSource,
Font = texFont
};
this.engine.Planet.Overlays.Add(overlay);
// egypt 30.0100° N, 31.2100° E
overlay = new GlobeOverlay
{
Position = this.engine.Planet.GetGeoCoord(-31.2100F, 30.0100F),
Label = "Egypt",
DotTexture = mFlareSource,
Font = texFont
};
this.engine.Planet.Overlays.Add(overlay);
// newYork : 40.7142° N, 74.0064° W
overlay = new GlobeOverlay
{
Position = this.engine.Planet.GetGeoCoord(74.0064F, 40.7142F),
Label = "New York",
DotTexture = mFlareSource,
Font = texFont
};
this.engine.Planet.Overlays.Add(overlay);
}
private void ExecuteOverlay(GlobeOverlay overlay, Vector2 windowSize, float size)
{
Vector3 screenLoc = MiniGlu.GetScreenLocation(overlay.Position);
if (screenLoc.Z <= -this.Position.Z)
{
float x = screenLoc.X - windowSize.X / 2F;
float y = screenLoc.Y - windowSize.Y / 2F;
float z = Math.Abs(this.Position.Z + screenLoc.Z);
var dotScale = DrawScale(size, overlay.DotScale, z);
var dotPos = new Vector2(x, -y);
Utils.RenderTextureAt(dotPos, windowSize, overlay.DotTexture, dotScale, overlay.DotColor);
var labelScale = DrawScale(size, overlay.LabelScale, z);
var textPos = new Vector3(screenLoc.X, windowSize.Y - screenLoc.Y, this.Position.Z);
this.RenderConstName(overlay, textPos, labelScale, overlay.LabelColor);
}
}
