public void LoadDescription(ParticleDesc desc)
{
this.Texture = desc.Texture;
this.ParticleCount = desc.TotalParticle;
this.Duration = desc.Duration;
this.OpacityModifyRGB = desc.OpacityModifyRGB;
if (desc.Gravity != null)
{
this.Gravity = new Vector2(desc.Gravity.X, desc.Gravity.Y);
}
var alphaPointList = new List <AlphaPoint>();
if (desc.MiddlePoint0 > 0)
{
alphaPointList.Add(new AlphaPoint(desc.MiddlePoint0 / 100f, desc.MiddlePointAlpha0));
}
if (desc.MiddlePoint1 > 0)
{
alphaPointList.Add(new AlphaPoint(desc.MiddlePoint1 / 100f, desc.MiddlePointAlpha1));
}
this.alphaPoints = alphaPointList.ToArray();
this.BlendFuncSrc = desc.BlendFuncSrc;
this.BlendFuncDst = desc.BlendFuncDst;
this.CreateEmitter(desc);
}
private void CreateEmitter(ParticleDesc desc)
{
var emitter = new ParticleEmitter(this);
emitter.Angle = desc.Angle;
emitter.AngleVar = desc.AngleVar;
emitter.StartColor = desc.StartColor;
emitter.StartColorVar = desc.StartColorVar;
emitter.EndColor = desc.EndColor;
emitter.EndColorVar = desc.EndColorVar;
emitter.StartSize = desc.StartSize;
emitter.StartSizeVar = desc.StartSizeVar;
emitter.EndSize = desc.EndSize;
emitter.EndSizeVar = desc.EndSizeVar;
emitter.Pos = new Vector2(desc.PosX, desc.PosY);
emitter.PosVar = new Vector2(desc.PosVarX, desc.PosVarY);
emitter.StartSpin = desc.StartSpin;
emitter.StartSpinVar = desc.StartSpinVar;
emitter.EndSpin = desc.EndSpin;
emitter.EndSpinVar = desc.EndSpinVar;
if (desc.Gravity != null)
{
emitter.Speed = desc.Gravity.Speed;
emitter.SpeedVar = desc.Gravity.SpeedVar;
emitter.RadialAccel = desc.Gravity.RadialAccel;
emitter.RadialAccelVar = desc.Gravity.RadialAccelVar;
emitter.TangentialAccel = desc.Gravity.TangentialAccel;
emitter.TangentialAccelVar = desc.Gravity.TangentialAccelVar;
emitter.RotationIsDir = desc.Gravity.RotationIsDir;
}
if (desc.Radius != null)
{
}
emitter.Life = desc.Life;
emitter.LifeVar = desc.LifeVar;
//计算发射速率
if (desc.Duration > 0)
{
emitter.EmissionRate = desc.TotalParticle / Math.Min(desc.Duration, 1);
}
else
{
float lifeMin = Math.Max(0, desc.Life - desc.LifeVar);
float lifeMax = Math.Max(0, desc.Life + desc.LifeVar);
var life = (lifeMin + lifeMax) / 2;
if (life <= 0)
{
life = 1;
}
emitter.EmissionRate = desc.TotalParticle / life;
}
this.Emitter = emitter;
}
public ParticleDesc LoadParticleDesc(Wz_Node node)
{
var desc = new ParticleDesc();
desc.Name = node.Text;
foreach (var pNode in node.Nodes)
{
switch (pNode.Text)
{
case "totalParticle": desc.TotalParticle = pNode.GetValue <int>(); break;
case "angle": desc.Angle = pNode.GetValue <float>(); break;
case "angleVar": desc.AngleVar = pNode.GetValue <float>(); break;
case "duration": desc.Duration = pNode.GetValue <float>(); break;
case "blendFuncSrc": desc.BlendFuncSrc = (ParticleBlendFunc)pNode.GetValue <int>(); break;
case "blendFuncDst": desc.BlendFuncDst = (ParticleBlendFunc)pNode.GetValue <int>(); break;
case "startColor": desc.StartColor = System.Drawing.Color.FromArgb(pNode.GetValue <int>()).ToXnaColor(); break;
case "startColorVar": desc.StartColorVar = System.Drawing.Color.FromArgb(pNode.GetValue <int>()).ToXnaColor(); break;
case "endColor": desc.EndColor = System.Drawing.Color.FromArgb(pNode.GetValue <int>()).ToXnaColor(); break;
case "endColorVar": desc.EndColorVar = System.Drawing.Color.FromArgb(pNode.GetValue <int>()).ToXnaColor(); break;
case "MiddlePoint0": desc.MiddlePoint0 = pNode.GetValue <int>(); break;
case "MiddlePointAlpha0": desc.MiddlePointAlpha0 = pNode.GetValue <int>(); break;
case "MiddlePoint1": desc.MiddlePoint1 = pNode.GetValue <int>(); break;
case "MiddlePointAlpha1": desc.MiddlePointAlpha1 = pNode.GetValue <int>(); break;
case "startSize": desc.StartSize = pNode.GetValue <float>(); break;
case "startSizeVar": desc.StartSizeVar = pNode.GetValue <float>(); break;
case "endSize": desc.EndSize = pNode.GetValue <float>(); break;
case "endSizeVar": desc.EndSizeVar = pNode.GetValue <float>(); break;
case "posX": desc.PosX = pNode.GetValue <float>(); break;
case "posY": desc.PosY = pNode.GetValue <float>(); break;
case "posVarX": desc.PosVarX = pNode.GetValue <float>(); break;
case "posVarY": desc.PosVarY = pNode.GetValue <float>(); break;
case "startSpin": desc.StartSpin = pNode.GetValue <float>(); break;
case "startSpinVar": desc.StartSpinVar = pNode.GetValue <float>(); break;
case "endSpin": desc.EndSpin = pNode.GetValue <float>(); break;
case "endSpinVar": desc.EndSpinVar = pNode.GetValue <float>(); break;
case "GRAVITY":
{
var gravityDesc = new ParticleGravityDesc();
foreach (var pNode2 in pNode.Nodes)
{
switch (pNode2.Text)
{
case "x": gravityDesc.X = pNode2.GetValue <float>(); break;
case "y": gravityDesc.Y = pNode2.GetValue <float>(); break;
case "speed": gravityDesc.Speed = pNode2.GetValue <float>(); break;
case "speedVar": gravityDesc.SpeedVar = pNode2.GetValue <float>(); break;
case "radialAccel": gravityDesc.RadialAccel = pNode2.GetValue <float>(); break;
case "radialAccelVar": gravityDesc.RadialAccelVar = pNode2.GetValue <float>(); break;
case "tangentialAccel": gravityDesc.TangentialAccel = pNode2.GetValue <float>(); break;
case "tangentialAccelVar": gravityDesc.TangentialAccelVar = pNode2.GetValue <float>(); break;
case "rotationIsDir": gravityDesc.RotationIsDir = pNode2.GetValue <int>() != 0; break;
}
}
desc.Gravity = gravityDesc;
}
break;
case "RADIUS":
{
var radiusDesc = new ParticleRadiusDesc();
foreach (var pNode2 in pNode.Nodes)
{
switch (pNode2.Text)
{
case "startRadius": radiusDesc.StartRadius = pNode2.GetValue <float>(); break;
case "startRadiusVar": radiusDesc.StartRadiusVar = pNode2.GetValue <float>(); break;
case "endRadius": radiusDesc.EndRadius = pNode2.GetValue <float>(); break;
case "endRadiusVar": radiusDesc.EndRadiusVar = pNode2.GetValue <float>(); break;
case "rotatePerSecond": radiusDesc.RotatePerSecond = pNode2.GetValue <float>(); break;
case "rotatePerSecondVar": radiusDesc.RotatePerSecondVar = pNode2.GetValue <float>(); break;
}
}
desc.Radius = radiusDesc;
}
break;
case "life": desc.Life = pNode.GetValue <float>(); break;
case "lifeVar": desc.LifeVar = pNode.GetValue <float>(); break;
case "opacityModifyRGB": desc.OpacityModifyRGB = pNode.GetValue <int>() != 0; break;
case "positionType": desc.PositionType = pNode.GetValue <int>(); break;
case "texture":
desc.Texture = this.LoadFrame(pNode);
break;
}
}
return(desc);
}
