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モデルの向き（角度）から単位ベクトルを求める

Unity

Last updated at 2014-05-05Posted at 2014-05-05

y軸に対するモデルの回転角度から、x, z 平面での単位ベクトルを求める

double radian = transform.eulerAngles.y * (Math.PI / 180); 
float momentX = (float)(Math.Sin (radian) * 0.1);
float momentZ = (float)(Math.Cos (radian) * 0.1);
Vector3 momentAddition = new Vector3(momentX, 0, momentZ);

なんて、ことしなくてもtransform.forwardで取得することができた...

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