} // RenderBottomLinkButton(buttonType)
#endregion
#region Render background
/// <summary>
/// Render mouse cursor
/// </summary>
public void RenderMouseCursor()
{
#if !XBOX360
// We got 4 animation steps, rotate them by the current time
int mouseAnimationStep = (int)(BaseGame.TotalTimeMs / 100) % 4;
// And render mouse on screen.
mouseCursorTexture.RenderOnScreen(
new Rectangle(Input.MousePos.X, Input.MousePos.Y, 60, 60),
new Rectangle(64 * mouseAnimationStep, 0, 60, 60));
// Draw all sprites (just the mouse cursor)
SpriteHelper.DrawSprites(width, height);
#endif
} // RenderMouseCursor()
protected override void Draw(GameTime gameTime)
{
SpriteHelper.DrawSprites(width, height);
font.WriteAll();
spriteBatch.Begin();
spriteBatch.DrawString(CopyrightFont, "© 2011 by GodLesZ for Krönchen <3", new Vector2(10, Window.ClientBounds.Height - 18), Color.LightGray);
if (Paused)
{
spriteBatch.DrawString(CopyrightFont, "Pause", new Vector2(Window.ClientBounds.Width / 2 - 65, Window.ClientBounds.Height / 2 - 20), Color.White, 0, Vector2.Zero, 4f, SpriteEffects.None, 0);
}
spriteBatch.End();
base.Draw(gameTime);
}
} // ShowAllItems(useShader)
#endregion
#region Render
/// <summary>
/// Render, most performance critical method of the game.
/// Renders all asteroids and handles all physics, updating, etc.
/// We use instancing to speed up asteroid rendering!
/// </summary>
public void Render(Texture inGameTexture, Texture lightEffectTexture)
{
#region Initialize
// Use alpha blending for blending out asteroids
BaseGame.EnableAlphaBlending();
// Get camera position, no need to call the property 1 mio times.
Vector3 cameraPos = BaseGame.CameraPos;
// Empty display distance list
remToDisplayDistance.Clear();
#endregion
#region Show target behind asteroids
// Show target icon behind all asteroids and items (only in game)
if (inGameTexture != null)
{
// First find out where the target is.
Point screenPos = BaseGame.Convert3DPointTo2D(TargetPosition);
bool isVisible = BaseGame.IsInFrontOfCamera(TargetPosition);
if (isVisible &&
screenPos.X >= 0 && screenPos.X < BaseGame.Width &&
screenPos.Y >= 0 && screenPos.Y < BaseGame.Height)
{
// From Mission.cs:70.
Rectangle TargetIconRect = new Rectangle(106, 49, 61, 61);
// Render target icon centered at screenPos
// Note: This will be blurred because we render it before
// the glow/bloom/motion blur shader is applied, but if we
// render after that we can't render behind the asteroids.
// See Mission.RenderTarget!
inGameTexture.RenderOnScreen(new Rectangle(
screenPos.X - TargetIconRect.Width / 2,
screenPos.Y - TargetIconRect.Height / 2,
TargetIconRect.Width, TargetIconRect.Height),
TargetIconRect, Color.White, SpriteBlendMode.Additive);
} // if (isVisible)
} // if (inGameTexture)
#endregion
#region Show glow behind items
// Show glow behind all items
for (int num = 0; num < Level.NumOfItemTypes; num++)
{
// Go through all items of this type
foreach (Vector3 pos in items[num])
{
// Get distance to viewer
float distance = (pos - cameraPos).Length();
// Skip if out of visible range * 6
if (distance > MaxViewDepth * 6 ||
BaseGame.IsInFrontOfCamera(pos) == false)
{
continue;
}
// Convert to screen coordinates
Point screenPos = BaseGame.Convert3DPointTo2D(pos);
int glowSize = 36 * BaseGame.Width / 1024;
// If not visible, skip!
if (screenPos.X < -glowSize ||
screenPos.Y < -glowSize ||
screenPos.X > BaseGame.Width + glowSize ||
screenPos.Y > BaseGame.Height + glowSize)
{
continue;
}
// Calculate alpha
float alpha = 1.0f;
if (distance > MaxViewDepth * 4)
{
alpha = 1.0f -
((distance - MaxViewDepth * 4) / (MaxViewDepth * (6 - 4)));
}
// Show glow with help of light effect
if (lightEffectTexture != null)
{
lightEffectTexture.RenderOnScreen(
new Rectangle(screenPos.X - glowSize, screenPos.Y - glowSize,
glowSize * 2, glowSize * 2),
lightEffectTexture.GfxRectangle,
ColorHelper.ApplyAlphaToColor(ItemColors[num], alpha * 0.5f),
SpriteBlendMode.Additive);
}
// And display distance to item below it (not here, see below).
float textAlpha = alpha * 1.5f *
(1.0f - (distance / (MaxViewDepth * 6)));
AddDistanceToBeDisplayed(screenPos, distance,
textAlpha < 1.0f ? textAlpha : 1.0f);
} // foreach (pos)
} // for (num)
// Flush all glow sprites on the screen (before rendering asteroids!)
SpriteHelper.DrawSprites();
#endregion
#region Render 3d models, especially the asteroids
// Draw goal at target position
goalModel.Render(Matrix.CreateScale(100) *
Matrix.CreateRotationX(-(float)Math.PI / 2.0f) *
Matrix.CreateTranslation(TargetPosition));
// Call base render method, target and item glow is behind of the
// asteroids.
base.RenderAsteroids();
#endregion
} // Render()