public override void Render(CoreSdk.RenderingContext context)
{
// Start with line height equal to 100% of viewport height and
// shrink to 10%.
var startHeight = context.Viewport.Height;
var endHeight = context.Viewport.Height * 0.1;
// Get time relative to animation start.
var animTime = TimeSpan.FromSeconds(
this.simTime.TotalSeconds % this.animDuration.TotalSeconds);
using (context.Renderer.SetRenderingMode(CoreSdk.RenderingMode.Default2d))
{
foreach (var m in this.messages)
{
if (animTime < m.StartTime || animTime > m.EndTime)
{
continue; // This message should not be displayed now.
}
// Get time relative to message's time window.
var messageAnimTime = animTime - m.StartTime;
// Normalize to [0..1].
var messageAnimTimeNorm = messageAnimTime.TotalSeconds / m.Duration.TotalSeconds;
var desiredHeight = Lerp(startHeight, endHeight, messageAnimTimeNorm);
var scale = (float)GetScaleForDesiredSize(
size: this.fontFace.GetHeight(),
desiredSize: desiredHeight);
// Center message in viewport.
var textDim = context.Renderer.GetTextDimension(this.fontFace, m.Text, scale);
var position = new CoreSdk.Vec2f(
x: (context.Viewport.Width - textDim.X) / 2,
y: (context.Viewport.Height - textDim.Y) / 2);
// Red text fading out gradually.
var opaqueness = (float)Lerp(1, 0, messageAnimTimeNorm);
var color = new CoreSdk.Vec4f(
m.Color.R / 255f,
m.Color.G / 255f,
m.Color.B / 255f,
opaqueness);
context.Renderer.Draw(this.fontFace, color, position, m.Text, scale);
}
}
}
// Core will call this when a frame is being rendered.
public override void Render(CoreSdk.RenderingContext context)
{
var text = string.Format(
"Project: {0}\n" +
"Path: {1}\n" +
"Uptime (sys): {2:g}\n" +
"Uptime (sim): {3:g}",
ProjectName,
ProjectFileName,
DateTime.UtcNow - this.runningSince,
this.simDuration);
// Scale 300 will preserve our desired font line height
// (here 32 screen pixels).
const float scale = 300;
// Bottom-left corner is (0, 0).
var position = new CoreSdk.Vec2f(
x: 10,
y: context.Viewport.Height - 32); // Leaving space for 32 pixel line height.
var shadowPosition = new CoreSdk.Vec2f(
position.X + 2,
position.Y - 2);
// White opaque text with black opaque shadow.
var color = new CoreSdk.Vec4f(1, 1, 1, 1);
var shadowColor = new CoreSdk.Vec4f(0, 0, 0, 1);
// We should restore rendering mode when we're done. Easiest way
// is to wrap it in "using".
using (context.Renderer.SetRenderingMode(CoreSdk.RenderingMode.Default2d))
{
context.Renderer.Draw(this.fontFace, shadowColor, shadowPosition, text, scale);
context.Renderer.Draw(this.fontFace, color, position, text, scale);
}
}
