public ParticleEditor()
{
InitializeComponent();
SGP.ManagedDirect3D d3d = SGP.ManagedDirect3D.Instance;
d3d.InitManagedDirect3D(panel1);
SGP.ManagedTextureManager mtm = SGP.ManagedTextureManager.Instance;
mtm.InitManagedTextureManager(d3d.Device, d3d.Sprite);
XElement xRoot;
if (File.Exists("Config.xml"))
{
xRoot = XElement.Load("Config.xml");
XAttribute xPath = xRoot.Attribute("Path");
filepath = xPath.Value;
}
if (filepath == null)
{
FolderBrowserDialog fbd = new FolderBrowserDialog();
fbd.ShowDialog();
filepath = fbd.SelectedPath;
}
Alive = true;
emitter.Circlejpg = tm.LoadTexture("../../circle.png", Color.FromArgb(255, 255, 255, 255).ToArgb());
Vector2D pos = new Vector2D();
pos.Init(230, 270);
emitter.Pos = pos;
emitter.Type = Shape.POINT;
cbShape.SelectedIndex = 0;
}
private void btPreview_Click(object sender, EventArgs e)
{
int R = int.Parse(btColorStart.BackColor.R.ToString());
int G = int.Parse(btColorStart.BackColor.G.ToString());
int B = int.Parse(btColorStart.BackColor.B.ToString());
emitter.ColorStart = Color.FromArgb(int.Parse(nudStartAlpha.Value.ToString()), R, G, B);
R = int.Parse(btColorEnd.BackColor.R.ToString());
G = int.Parse(btColorEnd.BackColor.G.ToString());
B = int.Parse(btColorEnd.BackColor.B.ToString());
emitter.ColorEnd = Color.FromArgb(int.Parse(nudEndAlpha.Value.ToString()), R, G, B);
emitter.ParticleCount = (int)nudParticleNum.Value;
float pi = float.Parse(Math.PI.ToString());
double rad = Math.PI / 180;
double r = (double)nudRotStart.Value * rad;
emitter.RotationStart = float.Parse(r.ToString());
r = (double)nudRotEnd.Value * rad;
emitter.RotationEnd = float.Parse(r.ToString());
emitter.ScaleStart = float.Parse(nudScaleStart.Value.ToString());
emitter.ScaleEnd = float.Parse(nudScaleEnd.Value.ToString());
emitter.SpawnMax = float.Parse(nudSpawnMax.Value.ToString());
emitter.SpawnMin = float.Parse(nudSpawnMin.Value.ToString());
emitter.LifeMax = float.Parse(nudLifeMax.Value.ToString());
emitter.LifeMin = float.Parse(nudLifeMin.Value.ToString());
Vector2D tmp = new Vector2D();
tmp.Init((float)nudVelMaxStartX.Value, (float)nudVelMaxStartY.Value);
emitter.VelStartMax = tmp;
tmp.Init((float)nudVelMaxEndX.Value, (float)nudVelMaxEndY.Value);
emitter.VelEndMax = tmp;
tmp.Init((float)nudVelMinStartX.Value, (float)nudVelMinStartY.Value);
emitter.VelStartMin = tmp;
tmp.Init((float)nudVelMinEndX.Value, (float)nudVelMinEndY.Value);
emitter.VelEndMin = tmp;
emitter.Looping = cbLooping.Checked;
int i = cbShape.SelectedIndex;
if (i == 0)
emitter.Type = Shape.POINT;
else if( i == 1 )
emitter.Type = Shape.CIRCLE;
else if( i == 2 )
emitter.Type = Shape.SQUARE;
else if( i == 3 )
emitter.Type = Shape.LINE;
Vector2D pos = new Vector2D();
pos.Init(230, 270);
emitter.Pos = pos;
if (emitter.Imgpath == null)
{
string s = "No Image Selected";
DialogResult mb = MessageBox.Show(s);
return;
}
emitter.InitParticle();
}
public void Update(float fElapsedTime)
{
if (spawnRate < spawnTimer)
{
if( particles.Count > numSpawned && particleCount != 0)
numSpawned++;
spawnTimer = 0;
Random r = new Random();
float l = (float)r.Next((int)(spawnMin * 100), (int)(spawnMax * 100));
spawnRate = l / 100.0f;
}
spawnTimer += fElapsedTime;
for (int i = 0; i < numSpawned; i++)
{
particles[i].Update(fElapsedTime);
if (particles[i].CurLife >= particles[i].MaxLife)
{
particles.Remove(particles[i]);
if (particles.Count == 0)
{
if (looping == true)
InitParticle();
else
alive = false;
}
i--;
numSpawned--;
continue;
}
float time = particles[i].MaxLife;
// Color changing over time
Color oldColor = particles[i].Color;
float dtA, dtR, dtG, dtB;
dtA = (float)((colorEnd.A - colorStart.A) / time);
dtR = (float)((colorEnd.R - colorStart.R) / time);
dtG = (float)((colorEnd.G - colorStart.G) / time);
dtB = (float)((colorEnd.B - colorStart.B) / time);
dtA *= fElapsedTime;
dtR *= fElapsedTime;
dtG *= fElapsedTime;
dtB *= fElapsedTime;
particles[i].myColor.A += dtA / 255;
particles[i].myColor.R += dtR / 255;
particles[i].myColor.G += dtG / 255;
particles[i].myColor.B += dtB / 255;
float a = particles[i].myColor.A;
float r = particles[i].myColor.R;
float g = Math.Abs(particles[i].myColor.G);
float b = Math.Abs(particles[i].myColor.B);
Color newColor = Color.FromArgb((int)(a * 255), (int)(Math.Abs(r) * 255), (int)(g * 255), (int)(b* 255));
particles[i].Color = newColor;
// Rotation changing over time
float oldRot = particles[i].Rotation;
float dtRot = (rotationEnd - rotationStart) / time;
dtRot *= fElapsedTime;
float newRot = dtRot + oldRot;
particles[i].Rotation = newRot;
// Scale changing over time
float oldScale = particles[i].Scale;
float dtScale = (scaleEnd - scaleStart) / time;
dtScale *= fElapsedTime;
float newScale = dtScale + oldScale;
particles[i].Scale = newScale;
// Velocity changing over time
Vector2D oldVel = particles[i].CurVelocity;
float dtX = (particles[i].VelocityEnd.x - particles[i].VelocityStart.x) / time;
float dtY = (particles[i].VelocityEnd.y - particles[i].VelocityStart.y) / time;
dtX = dtX * fElapsedTime;
dtY = dtY * fElapsedTime;
Vector2D newVel = new Vector2D();
newVel.Init(dtX + oldVel.x, dtY + oldVel.y);
particles[i].CurVelocity = newVel;
}
}
