/// <summary>
/// スプライトの更新
/// </summary>
private void UpdateSprite()
{
if (!circle.Processing)
{
return;
}
if (!lerpSprite)
{
return;
}
//座標の調整
float centerAngle = (circle.NowEnd - circle.NowStart) * 0.5f + circle.NowStart;
float radiusRange = (circle.NowOuter - circle.NowInner);
float centerRadius = radiusRange * 0.5f + circle.NowInner;
Vector3 pos = GeomUtil.DegToVector2(centerAngle) * centerRadius;
pos.z = transform.localPosition.z - 1f;
//lerpSpriteは自身のローカルにいること?
lerpSprite.transform.localPosition = pos;
//大きさの調整
if (adjustSpriteScale)
{
Vector2 size = lerpSprite.Target.sprite.bounds.size;
float scale = radiusRange / size.magnitude;
lerpSprite.transform.localScale = Vector2.one * (scale * adjustScale);
}
}
public override bool Snap(Vector2 input, out Vector2 output)
{
float angle = GeomUtil.TwoPointAngle(point, input);
//最も近い放射角度を求める
float nearAngle = 0f;
float halfDelta = deltaAngle * 0.5f;
for (int i = 0; i < angles.Length; ++i)
{
if ((angles[i] - halfDelta) < angle && angle < (angles[i] + halfDelta))
{
nearAngle = angles[i];
break;
}
}
//線上の射影からスナップ座標を求める
Vector2 p, q;
p = GeomUtil.DegToVector2(nearAngle);
q = input - point;
float dot = GeomUtil.Dot(p, q);
float projection = dot / p.magnitude; //射影距離
output = p.normalized * projection + point;
//スナップ座標との距離を測る
if ((output - input).magnitude <= snapForce)
{
return(true);
}
else
{
return(false);
}
}
public override EasyMesh GetEasyMesh(Color color)
{
Vector3[] vertices = new Vector3[count * 4];
Color[] colors = new Color[vertices.Length];
int[] indices = new int[count * 6];
for (int i = 0; i < count; ++i)
{
Vector2 dir = GeomUtil.DegToVector2(angles[i]);
Vector2 verDir = GeomUtil.RotateVector2(dir, 90f);
dir *= drawDistance;
verDir *= width * 0.5f;
int index = i * 4;
int indicesIndex = i * 6;
//頂点
vertices[index + 0] = dir + verDir + point;
vertices[index + 1] = dir - verDir + point;
vertices[index + 2] = -dir - verDir + point;
vertices[index + 3] = -dir + verDir + point;
//色
colors[index + 0] = color;
colors[index + 1] = color;
colors[index + 2] = color;
colors[index + 3] = color;
//インデックス
indices[indicesIndex + 0] = index + 0;
indices[indicesIndex + 1] = index + 1;
indices[indicesIndex + 2] = index + 2;
indices[indicesIndex + 3] = index + 0;
indices[indicesIndex + 4] = index + 2;
indices[indicesIndex + 5] = index + 3;
}
return(new EasyMesh(vertices, colors, indices));
}
/// <summary>
/// 簡易メッシュの作成
/// </summary>
private EasyMesh MakeEasyMesh()
{
EasyMesh eMesh = new EasyMesh();
//角度
float diffAngle = lerpEnd.Value - lerpStart.Value;
float addAngle = (diffAngle > 0 ? 1f : -1f) * density;
float angle = 0f;
int addNum = (int)(diffAngle / addAngle);
int i = 0;
//下準備
Vector3[] verts = new Vector3[(addNum + 2) * 2];
Color[] colors = new Color[verts.Length];
int[] indices = new int[(addNum + 1) * 6];
do
{
//verts
verts[i * 2 + 0] = GeomUtil.DegToVector2(angle + lerpStart.Value) * lerpInner.Value;
verts[i * 2 + 1] = GeomUtil.DegToVector2(angle + lerpStart.Value) * lerpOuter.Value;
//colors
colors[i * 2 + 0] = drawColor;
colors[i * 2 + 1] = drawColor;
//indices
if (diffAngle > 0)
{
indices[i * 6 + 0] = (i + 0) * 2 + 0;
indices[i * 6 + 1] = (i + 1) * 2 + 0;
indices[i * 6 + 2] = (i + 0) * 2 + 1;
indices[i * 6 + 3] = (i + 1) * 2 + 0;
indices[i * 6 + 4] = (i + 1) * 2 + 1;
indices[i * 6 + 5] = (i + 0) * 2 + 1;
}
else
{
indices[i * 6 + 0] = (i + 0) * 2 + 0;
indices[i * 6 + 1] = (i + 0) * 2 + 1;
indices[i * 6 + 2] = (i + 1) * 2 + 0;
indices[i * 6 + 3] = (i + 1) * 2 + 0;
indices[i * 6 + 4] = (i + 0) * 2 + 1;
indices[i * 6 + 5] = (i + 1) * 2 + 1;
}
angle += addAngle;
++i;
} while(addNum >= i);
angle = diffAngle;
//verts
verts[i * 2 + 0] = GeomUtil.DegToVector2(lerpEnd.Value) * lerpInner.Value;
verts[i * 2 + 1] = GeomUtil.DegToVector2(lerpEnd.Value) * lerpOuter.Value;
//colors
colors[i * 2 + 0] = drawColor;
colors[i * 2 + 1] = drawColor;
eMesh.verts = verts;
eMesh.colors = colors;
eMesh.indices = indices;
return(eMesh);
}
