/// <summary>
/// 視線と逆を向く回転行列作成
/// </summary>
/// <param name="camera"></param>
/// <returns></returns>
Matrix CalcBillboardRotateMatrix(CameraBase camera)
{
var rotatMatrix = Matrix.CreateLookAt(
Vector3.Zero,
camera.At - camera.Eye,
camera.Up);
return Matrix.Invert(rotatMatrix);
}
Matrix CalcWorldMatrix(AffineTransform transform, CameraBase camera)
{
var scale = Matrix.CreateScale(transform.Scale);
var rotat =
Matrix.CreateRotationZ(transform.Rotation.Z) *
Matrix.CreateRotationY(transform.Rotation.Y) *
Matrix.CreateRotationX(transform.Rotation.X) *
CalcBillboardRotateMatrix(camera);
var trans = Matrix.CreateTranslation(transform.Translation);
return scale * rotat * trans;
}
public Deco_Shock(AffineTransform transform, CameraBase camera)
{
for (var i = 0; i < 3; ++i)
{
Particles.Add(new ccm.Particle.Particle_Twister(
transform,
camera,
2000.0f,
120.0f * i,
360.0f,
0.0f,
"Texture/particle001",
true));
}
}
public Deco_Twister(AffineTransform transform, CameraBase camera, HimaLib.Math.IRand rand)
{
for (var i = 0; i < 16; ++i)
{
Particles.Add(new ccm.Particle.Particle_Twister(
transform,
camera,
rand.NextFloat() * 100.0f + 900.0f,
rand.NextFloat() * 360.0f,
rand.NextFloat() * 180.0f + 300.0f,
rand.NextFloat() * 10.0f + 5.0f,
"Texture/particle000",
false));
}
}
public void UpdateFrustum(CameraBase camera)
{
var invViewProj = Matrix.Invert(camera.View * camera.Projection);
var projCorners = new Vector3[8]
{
new Vector3(-1, 1, 0), // 0 near_tl
new Vector3(1, 1, 0), // 1 near_tr
new Vector3(-1, -1, 0), // 2 near_bl
new Vector3(1, -1, 0), // 3 near_br
new Vector3(-1, 1, 1), // 4 far_tl
new Vector3(1, 1, 1), // 5 far_tr
new Vector3(-1, -1, 1), // 6 far_bl
new Vector3(1, -1, 1), // 7 far_br
};
var worldCorners = projCorners.Select(c =>
{
return Vector3.TransformCoord(c, invViewProj);
}).ToArray();
// 法線が視錐台の外側を向くように面を作る（右手系）
Planes[0] = new Plane(worldCorners[0], worldCorners[2], worldCorners[1]); // Near
Planes[1] = new Plane(worldCorners[5], worldCorners[7], worldCorners[4]); // Far
Planes[2] = new Plane(worldCorners[0], worldCorners[1], worldCorners[4]); // Top
Planes[3] = new Plane(worldCorners[2], worldCorners[6], worldCorners[3]); // Bottom
Planes[4] = new Plane(worldCorners[0], worldCorners[4], worldCorners[2]); // Left
Planes[5] = new Plane(worldCorners[1], worldCorners[3], worldCorners[5]); // Right
// 簡易版は視錐台に外接するAABBでカリングする
MinFrustumAABB = new Vector3(float.MaxValue, float.MaxValue, float.MaxValue);
MaxFrustumAABB = new Vector3(float.MinValue, float.MinValue, float.MinValue);
foreach (var frustumCorner in worldCorners)
{
MinFrustumAABB.X = MathUtil.Min(MinFrustumAABB.X, frustumCorner.X);
MinFrustumAABB.Y = MathUtil.Min(MinFrustumAABB.Y, frustumCorner.Y);
MinFrustumAABB.Z = MathUtil.Min(MinFrustumAABB.Z, frustumCorner.Z);
MaxFrustumAABB.X = MathUtil.Max(MaxFrustumAABB.X, frustumCorner.X);
MaxFrustumAABB.Y = MathUtil.Max(MaxFrustumAABB.Y, frustumCorner.Y);
MaxFrustumAABB.Z = MathUtil.Max(MaxFrustumAABB.Z, frustumCorner.Z);
}
}
public ViewerCameraUpdater(CameraBase camera, IController controller)
{
this.camera = camera;
this.controller = controller;
InitEyeZ = 30.0f;
MaxEyeZ = 110.0f;
MinEyeZ = 10.0f;
EyeZInterval = 0.1f;
RotInterval = 0.04f;
PanInterval = 0.2f;
MaxRotX = MathUtil.PiOver2 * 0.99f;
MinRotX = -MathUtil.PiOver2 * 0.99f;
EnableCameraKey = false;
EnablePan = false;
RotWithoutKey = false;
Reset();
}
public Particle_Twister(
HimaLib.Math.AffineTransform transform,
CameraBase camera,
float finishMilliSeconds,
float startDegree,
float degreeDelta,
float endHeightDelta,
string textureName,
bool loop)
{
InitialPosition = new Vector3(transform.Translation);
Transform = new AffineTransform(transform);
SimpleBillboardRenderParameter.IsShadowCaster = false;
SimpleBillboardRenderParameter.IsShadowReceiver = false;
SimpleBillboardRenderParameter.IsTranslucent = true;
SimpleBillboardRenderParameter.GBufferEnabled = false;
SimpleBillboardRenderParameter.Camera = camera;
SimpleBillboardRenderParameter.Alpha = 0.8f;
SimpleBillboardRenderParameter.AffineTransform = Transform;
SimpleBillboardRenderParameter.AffineTransform.Scale = Vector3.One * 0.04f;
SimpleBillboardRenderParameter.AffineTransform.Rotation = Vector3.Zero;
SimpleBillboardRenderParameter.Texture = TextureFactory.Instance.CreateFromImage(textureName);
if (loop)
{
CreateUpdater(finishMilliSeconds, startDegree, degreeDelta, endHeightDelta);
}
else
{
CreateUpdater(finishMilliSeconds, startDegree, degreeDelta, endHeightDelta, () => { Alive = false; });
}
}
