protected override void Initialise()
{
//draw targets usually need a camera.
var camera = new Xen.Camera.FirstPersonControlledCamera3D(this.UpdateManager, Vector3.Zero, false);
//don't allow the camera to move too fast
camera.MovementSensitivity *= 0.1f;
camera.LookAt(new Vector3(0,3,0), new Vector3(1, 5, 10), new Vector3(0, 1, 0));
//create the draw target.
drawToScreen = new DrawTargetScreen(camera);
drawToScreen.ClearBuffer.ClearColour = new Color(45,50,60);
//create the fire and smoke particle system
this.fireParticleSystem = new ParticleSystem(this.UpdateManager);
this.smokeParticleSystem = new ParticleSystem(this.UpdateManager);
//IMPORTANT
//The following flags are FALSE by default.
//For looping effects, such as the fire and smoke, it's highly
//recommended to enable this flag. Otherwise, while the effect
//is offscreen, the particle system will continue to process.
this.fireParticleSystem.PauseUpdatingWhileCulled = true;
this.smokeParticleSystem.PauseUpdatingWhileCulled = true;
this.drawSorted = new Xen.Ex.Scene.DepthDrawSorter(Xen.Ex.Scene.DepthSortMode.BackToFront);
this.drawUnsorted = new DrawList();
var fireDrawer = new Xen.Ex.Graphics.Display.VelocityBillboardParticles3D(this.fireParticleSystem, true);
var smokeDrawer = new Xen.Ex.Graphics.Display.BillboardParticles3D(this.smokeParticleSystem);
for (int i = 0; i < 10; i++)
{
Vector3 position = new Vector3((float)Math.Cos(i * Math.PI / 5.0) * 6.0f, 0, (float)Math.Sin(i * Math.PI / 5.0) * 6.0f);
CullableParticleWrapper fireEffect, smokeEffect;
fireEffect = new CullableParticleWrapper(fireDrawer, position, new Vector3(0, 2, 0), 4);
smokeEffect = new CullableParticleWrapper(smokeDrawer, position, new Vector3(0, 6, 0), 5);
this.drawSorted.Add(fireEffect);
this.drawSorted.Add(smokeEffect);
this.drawUnsorted.Add(fireEffect);
this.drawUnsorted.Add(smokeEffect);
var light = new GroundLightDisk(position);
this.drawSorted.Add(light);
this.drawUnsorted.Add(light);
}
//setup the burst effect
this.burstParticleSystem = new ParticleSystem(this.UpdateManager);
//for this case, PauseUpdatingWhileCulled is not set to true.
//The particle emitting is culled when offscreen. If set to true,
//Any particles left offscreen could 'pause', when they naturally
//wouldn't be emitted anyway.
//(The particle system will use very few resources when it has no
//active particles)
this.burstSources = new BurstSource[20];
Random rand = new Random();
for (int i = 0; i < this.burstSources.Length; i++)
{
//create the bursts out in the distance
Vector3 position = new Vector3((float)i * 5.0f - this.burstSources.Length * 2.5f, 0, -20);
float radius = 10; // with a decent radius
//give them a random starting time
this.burstSources[i] = new BurstSource(position, radius, (float)rand.NextDouble() * 2);
this.drawSorted.Add(this.burstSources[i]);
this.drawUnsorted.Add(this.burstSources[i]);
}
//the bursts need to be drawn as a group..
var burstDrawer = new Xen.Ex.Graphics.Display.VelocityBillboardParticles3D(this.burstParticleSystem,false,0.5f);
this.drawSorted.Add(burstDrawer);
this.drawUnsorted.Add(burstDrawer);
//Use all the burst sources to cull the drawer (may not be ideal if there were many sources...)
//Use the particle drawer CullProxy to do it
burstDrawer.CullProxy = new BurstCullProxy(this.burstSources);
//add a ground plane to show the horizon
drawToScreen.Add(new Tutorial_22.DarkGroundPlane(new Vector4(0.125f,0.15f,0.135f,1)));
//add the sorted and unsorted lists
drawToScreen.Add(drawSorted);
drawToScreen.Add(drawUnsorted);
//finally, create a CullTestVisualizer, which will visually show the cull tests performed
cullTestVisualizer = new Xen.Ex.Scene.CullTestVisualizer();
//the visualizer is added as a draw modifier
this.drawToScreen.AddModifier(cullTestVisualizer);
//add help text
this.text = new TextElement();
this.text.VerticalAlignment = VerticalAlignment.Bottom;
this.text.Position = new Vector2(50, 100);
drawToScreen.Add(this.text);
//add draw stats
stats = new Xen.Ex.Graphics2D.Statistics.DrawStatisticsDisplay(this.UpdateManager);
drawToScreen.Add(stats);
}
private void SetParticles(ContentState state)
{
if (_level == 2)
{
ParticleSystem particles = new ParticleSystem(state.Application.UpdateManager);
followingParticles.Add(particles);
drawToScreen.Add(new BillboardParticles3D(particles));
particles.ParticleSystemData = state.Load<ParticleSystemData>("Particles/Mist");
}
if (_level == 3)
{
ParticleSystem particles = new ParticleSystem(state.Application.UpdateManager);
followingParticles.Add(particles);
ParticleDrawer3D fogDrawer = new BillboardParticles3D(particles);
ParticleDrawer3D snowDrawer = new VelocityBillboardParticles3D(particles, false, 0.1f);
drawToScreen.Add(fogDrawer);
drawToScreen.Add(snowDrawer);
particles.ParticleSystemData = state.Load<ParticleSystemData>("Particles/Snow");
fogDrawer.SetParticleTypeDrawMask("fog", true);
fogDrawer.SetParticleTypeDrawMask("snow", false);
snowDrawer.SetParticleTypeDrawMask("fog", false);
snowDrawer.SetParticleTypeDrawMask("snow", true);
}
else if (_level == 2)
{
}
}
protected override void Initialise()
{
Resource.EnableResourceTracking();
//draw targets usually need a camera.
Xen.Ex.Camera.FirstPersonControlledCamera3D camera = new Xen.Ex.Camera.FirstPersonControlledCamera3D(this.UpdateManager, Vector3.Zero, false);
//don't allow the camera to move too fast
camera.MovementSensitivity *= 0.1f;
camera.LookAt(new Vector3(0, 3, 0), new Vector3(1, 5, 10), new Vector3(0, 1, 0));
//create the draw target.
drawToScreen = new DrawTargetScreen(this, camera);
drawToScreen.ClearBuffer.ClearColour = new Color(45, 50, 60);
//create the fire and smoke particle system
this.fireParticleSystem = new ParticleSystem(this.UpdateManager);
this.smokeParticleSystem = new ParticleSystem(this.UpdateManager);
//IMPORTANT
//The following flags are FALSE by default.
//For looping effects, such as the fire and smoke, it's highly
//recommended to enable this flag. Otherwise, while the effect
//is offscreen, the particle system will continue to process.
this.fireParticleSystem.PauseUpdatingWhileCulled = true;
this.smokeParticleSystem.PauseUpdatingWhileCulled = true;
this.drawSorted = new Xen.Ex.Scene.DepthDrawSorter(Xen.Ex.Scene.DepthSortMode.BackToFront);
this.drawUnsorted = new DrawList();
Xen.Ex.Graphics.Display.ParticleDrawer3D fireDrawer = new Xen.Ex.Graphics.Display.VelocityBillboardParticles3D(this.fireParticleSystem, true);
Xen.Ex.Graphics.Display.ParticleDrawer3D smokeDrawer = new Xen.Ex.Graphics.Display.BillboardParticles3D(this.smokeParticleSystem);
for (int i = 0; i < 10; i++)
{
Vector3 position = new Vector3((float)Math.Cos(i * Math.PI / 5.0) * 6.0f, 0, (float)Math.Sin(i * Math.PI / 5.0) * 6.0f);
CullableParticleWrapper fireEffect, smokeEffect;
fireEffect = new CullableParticleWrapper(fireDrawer, position, new Vector3(0, 2, 0), 4);
smokeEffect = new CullableParticleWrapper(smokeDrawer, position, new Vector3(0, 6, 0), 5);
this.drawSorted.Add(fireEffect);
this.drawSorted.Add(smokeEffect);
this.drawUnsorted.Add(fireEffect);
this.drawUnsorted.Add(smokeEffect);
GroundLightDisk light = new GroundLightDisk(position);
this.drawSorted.Add(light);
this.drawUnsorted.Add(light);
}
//setup the burst effect
this.burstParticleSystem = new ParticleSystem(this.UpdateManager);
//for this case, PauseUpdatingWhileCulled is not set to true.
//The particle emitting is culled when offscreen. If set to true,
//Any particles left offscreen could 'pause', when they naturally
//wouldn't be emitted anyway.
//(The particle system will use very few resources when it has no
//active particles)
this.burstSources = new BurstSource[20];
Random rand = new Random();
for (int i = 0; i < this.burstSources.Length; i++)
{
//create the bursts out in the distance
Vector3 position = new Vector3((float)i * 5.0f - this.burstSources.Length * 2.5f, 0, -20);
float radius = 10; // with a decent radius
//give them a random starting time
this.burstSources[i] = new BurstSource(position, radius, (float)rand.NextDouble() * 2);
this.drawSorted.Add(this.burstSources[i]);
this.drawUnsorted.Add(this.burstSources[i]);
}
//the bursts need to be drawn as a group..
ParticleDrawer3D burstDrawer = new Xen.Ex.Graphics.Display.VelocityBillboardParticles3D(this.burstParticleSystem, false, 0.5f);
this.drawSorted.Add(burstDrawer);
this.drawUnsorted.Add(burstDrawer);
//Use all the burst sources to cull the drawer (may not be ideal if there were many sources...)
//Use the particle drawer CullProxy to do it
burstDrawer.CullProxy = new BurstCullProxy(this.burstSources);
//add a ground plane to show the horizon
drawToScreen.Add(new Tutorial_22.DarkGroundPlane(new Vector4(0.125f, 0.15f, 0.135f, 1)));
//add the sorted and unsorted lists
drawToScreen.Add(drawSorted);
drawToScreen.Add(drawUnsorted);
//finally, create a CullTestVisualizer, which will visually show the cull tests performed
cullTestVisualizer = new Xen.Ex.Scene.CullTestVisualizer(this.drawToScreen.Camera);
//the visualizer is added as a draw modifier
this.drawToScreen.AddModifier(cullTestVisualizer);
//add help text
this.text = new TextElement();
this.text.VerticalAlignment = VerticalAlignment.Bottom;
this.text.Position = new Vector2(50, 100);
drawToScreen.Add(this.text);
//add draw stats
stats = new Xen.Ex.Graphics2D.Statistics.DrawStatisticsDisplay(this.UpdateManager);
drawToScreen.Add(stats);
}