public void LateUpdate()
{
if (thrusterObserver == null)
{
thrusterObserver = SGT_Helper.FindCamera();
}
if (thrusterFlameGameObject == null)
{
thrusterFlameGameObject = SGT_Helper.CreateGameObject("Flame", gameObject);
}
if (thrusterFlareGameObject == null)
{
thrusterFlareGameObject = SGT_Helper.CreateGameObject("Flare", gameObject);
}
SGT_Helper.SetParent(thrusterFlameGameObject, gameObject);
SGT_Helper.SetLayer(thrusterFlameGameObject, gameObject.layer);
SGT_Helper.SetTag(thrusterFlameGameObject, gameObject.tag);
SGT_Helper.SetParent(thrusterFlareGameObject, gameObject);
SGT_Helper.SetLayer(thrusterFlareGameObject, gameObject.layer);
SGT_Helper.SetTag(thrusterFlareGameObject, gameObject.tag);
if (thrusterPhysics == true && thrusterPhysicsRigidbody == null)
{
thrusterPhysicsRigidbody = SGT_Helper.GetComponentUpwards <Rigidbody>(gameObject);
}
var observerPosition = SGT_Helper.GetPosition(thrusterObserver);
if (Application.isPlaying == true)
{
currentThrusterThrottle = Mathf.MoveTowards(currentThrusterThrottle, targetThrusterThrottle, thrusterTweenSpeed * Time.deltaTime);
}
else
{
currentThrusterThrottle = targetThrusterThrottle;
}
if (thrusterFlame == true)
{
if (thrusterFlameMesh == null)
{
thrusterFlameMesh = new SGT_Mesh();
}
// Offset flame
SGT_Helper.SetLocalPosition(thrusterFlameGameObject.transform, thrusterFlameOffset);
var finalFlameScale = thrusterFlameScale + thrusterFlameScaleChange * currentThrusterThrottle;
// Hide/show flame
if (finalFlameScale == Vector3.zero)
{
thrusterFlameMesh.MeshRendererEnabled = false;
}
else
{
if (Application.isPlaying == true)
{
finalFlameScale *= Random.Range(1.0f - thrusterFlameScaleFlicker, 1.0f);
}
thrusterFlameMesh.MeshRendererEnabled = true;
SGT_Helper.SetLocalScale(thrusterFlameGameObject.transform, finalFlameScale);
// Roll flame to observer
var pointDir = transform.InverseTransformPoint(observerPosition);
var roll = Mathf.Atan2(pointDir.y, pointDir.x) * Mathf.Rad2Deg;
SGT_Helper.SetRotation(thrusterFlameGameObject.transform, transform.rotation * Quaternion.Euler(0.0f, 0.0f, roll));
}
thrusterFlameMesh.GameObject = thrusterFlameGameObject;
thrusterFlameMesh.HasMeshRenderer = true;
thrusterFlameMesh.Update();
}
else
{
if (thrusterFlameMesh != null)
{
thrusterFlameMesh = thrusterFlameMesh.Clear();
}
}
if (thrusterFlare == true)
{
if (thrusterFlareMesh == null)
{
thrusterFlareMesh = new SGT_Mesh();
}
// Offset flare
SGT_Helper.SetLocalPosition(thrusterFlareGameObject.transform, thrusterFlareOffset);
// Flare visible?
var a = thrusterFlareGameObject.transform.position;
var b = observerPosition;
var direction = (b - a).normalized;
var distance = (b - a).magnitude;
var targetFlareSize = 0.0f;
// If the ray hits something, then hide the flare
if (Physics.Raycast(a, direction, distance, thrusterFlareRaycastMask) == true)
{
targetFlareSize = 0.0f;
}
else
{
targetFlareSize = 1.0f;
}
// Point flare at observer
if (thrusterObserver != null)
{
SGT_Helper.SetRotation(thrusterFlareGameObject.transform, thrusterObserver.transform.rotation);
}
// Fade flare in/out based on raycast
if (Application.isPlaying == true)
{
currentThrusterFlareScale = Mathf.MoveTowards(currentThrusterFlareScale, targetFlareSize, thrusterFlareScaleTweenSpeed * Time.deltaTime);
}
else
{
currentThrusterFlareScale = targetFlareSize;
}
var finalFlareScale = currentThrusterFlareScale * (thrusterFlareScale + thrusterFlareScaleChange * currentThrusterThrottle);
// Hide/show flare
if (finalFlareScale == Vector3.zero)
{
thrusterFlareMesh.MeshRendererEnabled = false;
}
else
{
if (Application.isPlaying == true)
{
finalFlareScale *= Random.Range(1.0f - thrusterFlareScaleFlicker, 1.0f);
}
thrusterFlareMesh.MeshRendererEnabled = true;
SGT_Helper.SetLocalScale(thrusterFlareGameObject.transform, finalFlareScale);
}
thrusterFlareMesh.GameObject = thrusterFlareGameObject;
thrusterFlareMesh.HasMeshRenderer = true;
thrusterFlareMesh.Update();
}
else
{
if (thrusterFlareMesh != null)
{
thrusterFlareMesh = thrusterFlareMesh.Clear();
}
}
#if UNITY_EDITOR == true
if (thrusterFlameMesh != null)
{
thrusterFlameMesh.HideInEditor();
}
if (thrusterFlareMesh != null)
{
thrusterFlareMesh.HideInEditor();
}
SGT_Helper.HideGameObject(thrusterFlameGameObject);
SGT_Helper.HideGameObject(thrusterFlareGameObject);
#endif
}
private void CreateMesh(ParticleList particles)
{
SGT_Helper.DestroyObject(generatedMesh);
particleCount = particles.Count;
generatedMesh = new Mesh();
var positions = new Vector3[particleCount * 4];
var indices = new int[particleCount * 6];
var uv0s = new Vector2[particleCount * 4];
var uv1s = new Vector2[particleCount * 4];
var normals = new Vector3[particleCount * 4];
var colours = new Color[particleCount * 4];
for (var i = 0; i < particleCount; i++)
{
var particle = particles[i];
var i0 = i * 6;
var i1 = i0 + 1;
var i2 = i1 + 1;
var i3 = i2 + 1;
var i4 = i3 + 1;
var i5 = i4 + 1;
var v0 = i * 4;
var v1 = v0 + 1;
var v2 = v1 + 1;
var v3 = v2 + 1;
// Index data
indices[i0] = v0;
indices[i1] = v1;
indices[i2] = v2;
indices[i3] = v3;
indices[i4] = v2;
indices[i5] = v1;
var right = SGT_Helper.Rotate(Vector2.right * SGT_Helper.InscribedBox, particle.Angle);
var up = SGT_Helper.Rotate(Vector2.up * SGT_Helper.InscribedBox, particle.Angle);
var uv1 = new Vector2(particle.Size * 0.5f, 0.0f);
// Write star values into vertex data
positions[v0] = particle.Position;
positions[v1] = particle.Position;
positions[v2] = particle.Position;
positions[v3] = particle.Position;
normals[v0] = SGT_Helper.NewVector3(-right + up, 0.0f);
normals[v1] = SGT_Helper.NewVector3(right + up, 0.0f);
normals[v2] = SGT_Helper.NewVector3(-right - up, 0.0f);
normals[v3] = SGT_Helper.NewVector3(right - up, 0.0f);
colours[v0] = particle.Colour;
colours[v1] = particle.Colour;
colours[v2] = particle.Colour;
colours[v3] = particle.Colour;
uv0s[v0] = new Vector2(0.0f, 1.0f);
uv0s[v1] = new Vector2(1.0f, 1.0f);
uv0s[v2] = new Vector2(0.0f, 0.0f);
uv0s[v3] = new Vector2(1.0f, 0.0f);
uv1s[v0] = uv1;
uv1s[v1] = uv1;
uv1s[v2] = uv1;
uv1s[v3] = uv1;
}
generatedMesh.name = "Dust";
generatedMesh.vertices = positions;
generatedMesh.normals = normals;
generatedMesh.colors = colours;
generatedMesh.uv = uv0s;
generatedMesh.uv2 = uv1s;
generatedMesh.triangles = indices;
generatedMesh.bounds = new Bounds(Vector3.zero, new Vector3(100000000.0f, 100000000.0f, 100000000.0f)); // NOTE: using infinity here causes an error
dustMesh.SharedMesh = generatedMesh;
dustMesh.Update();
}
private void CreateMesh(ParticleList particles)
{
SGT_Helper.DestroyObject(generatedMesh);
particleCount = particles.Count;
generatedMesh = new Mesh();
var positions = new Vector3[particleCount * 4];
var indices = new int[particleCount * 6];
var uv0s = new Vector2[particleCount * 4];
var uv1s = new Vector2[particleCount * 4];
var normals = new Vector3[particleCount * 4];
var colours = new Color[particleCount * 4];
var bounds = new Bounds();
for (var i = 0; i < particleCount; i++)
{
var particle = particles[i];
var i0 = i * 6;
var i1 = i0 + 1;
var i2 = i1 + 1;
var i3 = i2 + 1;
var i4 = i3 + 1;
var i5 = i4 + 1;
var v0 = i * 4;
var v1 = v0 + 1;
var v2 = v1 + 1;
var v3 = v2 + 1;
// Index data
indices[i0] = v0;
indices[i1] = v1;
indices[i2] = v2;
indices[i3] = v3;
indices[i4] = v2;
indices[i5] = v1;
var right = SGT_Helper.Rotate(Vector2.right * SGT_Helper.InscribedBox, particle.Angle);
var up = SGT_Helper.Rotate(Vector2.up * SGT_Helper.InscribedBox, particle.Angle);
var uv1 = new Vector2(particle.Size * 0.5f, 0.0f);
bounds.Encapsulate(particle.Position);
// Write star values into vertex data
positions[v0] = particle.Position;
positions[v1] = particle.Position;
positions[v2] = particle.Position;
positions[v3] = particle.Position;
normals[v0] = SGT_Helper.NewVector3(-right + up, 0.0f);
normals[v1] = SGT_Helper.NewVector3(right + up, 0.0f);
normals[v2] = SGT_Helper.NewVector3(-right - up, 0.0f);
normals[v3] = SGT_Helper.NewVector3(right - up, 0.0f);
colours[v0] = particle.Colour;
colours[v1] = particle.Colour;
colours[v2] = particle.Colour;
colours[v3] = particle.Colour;
uv0s[v0] = new Vector2(0.0f, 1.0f);
uv0s[v1] = new Vector2(1.0f, 1.0f);
uv0s[v2] = new Vector2(0.0f, 0.0f);
uv0s[v3] = new Vector2(1.0f, 0.0f);
uv1s[v0] = uv1;
uv1s[v1] = uv1;
uv1s[v2] = uv1;
uv1s[v3] = uv1;
}
bounds.Expand(particleScale);
generatedMesh.hideFlags = HideFlags.DontSave;
generatedMesh.name = "Nebula";
generatedMesh.bounds = bounds;
generatedMesh.vertices = positions;
generatedMesh.normals = normals;
generatedMesh.colors = colours;
generatedMesh.uv = uv0s;
generatedMesh.uv1 = uv1s;
generatedMesh.triangles = indices;
nebulaMesh.SharedMesh = generatedMesh;
nebulaMesh.Update();
}