第Unity使用DoTween實現(xiàn)拋物線效果Debug.Log(value);

ball.position=Parabola(start.position,target.position,10,value);

},startValue:0,endValue:1,duration:5)

.SetEase(Ease.Linear);

}

效果演示

之前小編收藏了一段拋物線代碼，分享給大家：unity實現(xiàn)炮彈運動軌跡（拋物線）

usingSystem.Collections;

usingSystem.Collections.Generic;

usingUnityEngine;

publicclassParabol:MonoBehaviour

privateRigidbodyrgb;

///summary

///目標

////summary

publicGameObjecttarget;

///summary

///子彈的發(fā)射點

////summary

privateVector3originPoint;

privateVector3aimPoint;

///summary

///無彈道偏移的當前位置

////summary

privateVector3myVirtualPosition;

///summary

///定位最后一幀

////summary

privateVector3myPreviousPosition;

///summary

///是否可以發(fā)射

////summary

privateboolsw=false;

privateboolactived=false;

///summary

///最大發(fā)射距離

////summary

publicfloatmaxLaunch=1f;

///summary

///加速度計算計數(shù)器

////summary

privatefloatcounter;

///summary

///剛剛啟動時的速度

////summary

publicfloatspeed=0.5f;

///summary

///恒定加速度

////summary

publicfloatspeedUpOverTime=0.1f;

///summary

///彈道偏移量（與目標的距離）

////summary

publicfloatballisticOffset=0.5f;

voidStart()

rgb=GetComponentRigidbody

sw=true;

if(target==null)

Destroy(gameObject);

else

aimPoint=target.transform.position;

originPoint=myVirtualPosition=myPreviousPosition=transform.position;

voidUpdate()

if(target!=null)

if(actived==false)

actived=true;

PreLaunch();

else

if(sw==true)

if(rgb.isKinematic==false)

Move();

privatevoidPreLaunch()

floatxTarget=target.transform.position.x;

floatyTarget=target.transform.position.y;

floatzTarget=target.transform.position.z;

floatxCurrent=transform.position.x;

floatyCurrent=transform.position.y;

floatzCurrent=transform.position.z;

//目標之間的值

floatxDistance=Mathf.Abs(xTarget-xCurrent);

floatyDistance=yTarget-yCurrent;

floatzDistance=Mathf.Abs(zTarget-zCurrent);

floatfireAngle=1.57075f-(Mathf.Atan((Mathf.Pow(maxLaunch,2f)+Mathf.Sqrt(Mathf.Pow(maxLaunch,4f)-9.8f*(9.8f*Mathf.Pow(xDistance,2f)+2f*yDistance*Mathf.Pow(maxLaunch,2f)+2f*zDistance*Mathf.Pow(maxLaunch,2f))))/(9.8f*xDistance)));

floatxSpeed=Mathf.Sin(fireAngle)*maxLaunch;

floatySpeed=Mathf.Cos(fireAngle)*maxLaunch;

floatzSpeed=Mathf.Tan(fireAngle)*maxLaunch;

//判斷在左邊還是右邊

if((xTarget-xCurrent)0f){xSpeed=-xSpeed;}

if((zTarget-zCurrent)0f){zSpeed=-zSpeed;}

Calculation(ySpeed);

sw=true;

privatevoidCalculation(floatspeedy)

NextPosition(Time.time%((speedy/9.81f)*2));

privatevoidNextPosition(floatairtime)

floatxTarget=target.transform.position.x;

floatyTarget=target.transform.position.y;

floatzTarget=target.transform.position.z;

floatspeedy=target.GetComponentRigidbody().velocity.y;

floatspeedx=target.GetComponentRigidbody().velocity.x;

floatspeedz=target.GetComponentRigidbody().velocity.z;

Launch(xTarget+(speedx*airtime),yTarget+(speedy*airtime),zTarget+(speedz*airtime));

privatevoidLaunch(floatxTarget,floatyTarget,floatzTarget)

rgb.isKinematic=false;

floatxCurrent=transform.position.x;

floatyCurrent=transform.position.y;

floatzCurrent=transform.position.z;

floatxDistance=Mathf.Abs(xTarget-xCurrent);

floatyDistance=yTarget-yCurrent;

floatzDistance=Mathf.Abs(zTarget-zCurrent);

floatfireAngle=1.57075f-(Mathf.Atan((Mathf.Pow(maxLaunch,2f)+Mathf.Sqrt(Mathf.Pow(maxLaunch,4f)-9.8f*(9.8f*Mathf.Pow(xDistance,2f)+2f*yDistance*Mathf.Pow(maxLaunch,2f)+2f*zDistance*Mathf.Pow(maxLaunch,2f))))/(9.8f*xDistance)));

floatxSpeed=Mathf.Sin(fireAngle)*maxLaunch;

floatySpeed=Mathf.Cos(fireAngle)*maxLaunch;

floatzSpeed=Mathf.Tan(fireAngle)*maxLaunch;

//判斷在左邊還是右邊

if((xTarget-xCurrent)0f){xSpeed=-xSpeed;}

if(!float.IsNaN(xSpeed)!float.IsNaN(ySpeed))

rgb.velocity=newVector3(xSpeed,ySpeed,zSpeed);

else

maxLaunch=maxLaunch+0.3f;

PreLaunch();

privatevoidMove()

counter+=Time.fixedDeltaTime;

//加速度提升

speed+=Time.fixedDeltaTime*speedUpOverTime;

if(target!=null)

aimPoint=target.transform.position;

//計算從發(fā)射點到目標的距離

Vector3originDistance=aimPoint-originPoint;

//計算剩余距離

Vector3distanceToAim=aimPoint-myVirtualPosition;//發(fā)射點和目標之間的矢量距離

//移動到目標

myVirtualPosition=Vector3.Lerp(originPoint,aimPoint,counter*speed/originDistance.magnitude);//vectornisuygiavtríbanuvàmctiêu

//向軌跡添加彈道偏移

transform.position=AddBallisticOffset(originDistance.magnitude,distanceToAim.magnitude);

//將子彈旋轉(zhuǎn)至彈道

//Debug.Log("最后一幀的位置:"+myPreviousPosition);

LookAtDirection(transform.position-myPreviousPosition);

myPreviousPosition=transform.position;

privateVector3AddBallisticOffset(floatoriginDistance,floatdistanceToAim)

if(ballisticOffset0f)

//計算彎曲處偏移

floatoffset=Mathf.Sin(Mathf.PI*((originDistance-distanceToAim)/originDistance));

offset*=originDistance;

//向軌跡添加偏移

returnmyVirtualPosition+(ballisticOffset*offset*Vector3.up);

else

returnmyVirtualPosition;

///summary

///朝向目標

////summary

///param