C# (CSharp) FaceLandmarks.getElement示例

示例#1

        private float GetEyeClosedValue(FaceLandmarks landmarks, FaceElement eye)
        {
            if (eye != FaceElement.leftEye && eye != FaceElement.rightEye)
#if DEBUG
            { throw new System.Exception(); }
#else
            { return(0F); }
#endif
            // 尺度扩大三倍，便于显示
            return(Mathf.Clamp01((1 - GetEyeOpenSize(landmarks.getElement(eye)) / GetEyeOpenSize(originalLandmarks.getElement(eye))) * 3));
        }

示例#2

        // 张嘴比例
        private float GetMouthOpenValue(FaceLandmarks landmarks, FaceElement mouth)
        {
            if (mouth != FaceElement.mouth)
#if DEBUG
            { throw new System.Exception(); }
#else
            { return(0F); }
#endif
            return(Mathf.Clamp01(GetMouthOpenSize(landmarks.getElement(mouth))));
        }

示例#3

        // 上眼皮挑动的比例,以初始睁眼尺度的1/10为标准
        private float GetEyeWideValue(FaceLandmarks landmarks, FaceElement eye)
        {
            if (eye != FaceElement.leftEye && eye != FaceElement.rightEye)
#if DEBUG
            { throw new System.Exception(); }
#else
            { return(0F); }
#endif
            return(Mathf.Clamp01(GetEyeWideSize(landmarks.getElement(eye)) / (GetEyeOpenSize(originalLandmarks.getElement(eye)) / 10)));
        }

示例#4

        // 眉毛整体上移比例
        private float GetEyebowUpValue(FaceLandmarks landmarks, FaceElement eyebow)
        {
            if (eyebow != FaceElement.leftEyeBrow && eyebow != FaceElement.rightEyeBrow)
#if DEBUG
            { throw new System.Exception(); }
#else
            { return(0F); }
#endif

            List <Vector2> oriEyebow = originalLandmarks.getElement(eyebow);
            List <Vector2> curEyebow = landmarks.getElement(eyebow);
            Vector2        original  = oriEyebow[4] - oriEyebow[0];
            Vector2        current   = curEyebow[4] - curEyebow[0];

            return(Mathf.Clamp01(Vector2.Distance(current, original) / GetEyeOpenSize(originalLandmarks.points.GetRange(36, 6))));
        }

示例#5

        // 悲伤时的眉尾下滑比例
        private float GetEyebowSadValue(FaceLandmarks landmarks, FaceElement eyebow)
        {
            if (eyebow != FaceElement.leftEyeBrow && eyebow != FaceElement.rightEyeBrow)
#if DEBUG
            { throw new System.Exception(); }
#else
            { return(0F); }
#endif

            List <Vector2> original = originalLandmarks.getElement(eyebow);
            List <Vector2> current  = landmarks.getElement(eyebow);
            Vector2        vertial  = Vector2.Perpendicular((original[0] - original[4])).normalized;
            Vector2        distance = current[0] - current[4];

            return(Mathf.Clamp01(Vector2.Dot(distance, vertial)));
        }