Finger Gesture of Google Map App Supporting tagline

One Finger

Camera.x, Camera.y changes with touchPoint.x touchPoint.y

Two Finger

1.两个 touchPoint 中点定义为相机的 target 2.同时识别 touchpoint 间距变化 旋转角度

3.从单指转换到双指不执行俯仰角变换 4.刚开始即是双指,执行俯仰角变换 ##Conclution if fingerCount ==1 { middlePoint = (touchPoint0 + touchPoint1) /2 }

if (two fingers touch the screen at the same time)
{
	Camera.rotate(0,(touchPoint0.deltaY + touchPoint1.deltaY),0);
	
}

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Published