Как эмулировать нажатие клавиши на клавиатуре при нажатии на кнопку UI в Unity

      bool isKeyDownJump = Input.GetButton("Jump");
      float inputAxisX = Input.GetAxisRaw("Horizontal");
      bool isKeyDownLeft = inputAxisX < -0.5f;
      bool isKeyDownRight = inputAxisX > 0.5f;
 
      //-----------------
      //JUMPING LOGIC:
      //player is on ground
      if (isPlayerInAir == false) {
        //in case the player is on ground and does not press the jump key, he
        //should be allowed to jump
        if (isKeyDownJump == false) {
          keyJumpRetrigger = true;
        }
 
        //did player press down the jump button?
        if (isKeyDownJump == true && keyJumpRetrigger == true) {
          keyJumpPressed = true;
          keyJumpRetrigger = false;
 
          //when pressing jump on ground we set the upwards velocity directly
          currentVelocity = new Vector2(currentVelocity.x, PhysicsParams.jumpUpVel);
        }
      } else if (isPlayerOnWall == true) {
        //let's allow jumping again in case of being on the wall
        if (isKeyDownJump == false) {
          keyJumpRetrigger = true;
        }
        if (currentVelocity.y < 0) {//apply friction when moving downwards
          SimAddForce(new Vector2(0, PhysicsParams.wallFriction) * EntityMass);
        }
        if (currentVelocity.y < PhysicsParams.wallFrictionStrongVelThreshold) {//apply even more friction when moving downwards fast
          SimAddForce(new Vector2(0, PhysicsParams.wallFrictionStrong) * EntityMass);
        }
        if (isKeyDownJump == true && keyJumpRetrigger == true) {
          keyJumpPressed = true;
          keyJumpRetrigger = false;
 
          //in case we are moving down -> let's set the velocity directly
          //in case we are moving up -> sum up velocity
          if (IsOnWallLeft == true) {
            if (currentVelocity.y <= 0) {
              currentVelocity = new Vector2(PhysicsParams.jumpWallVelHorizontal, PhysicsParams.jumpWallVelVertical);
            } else {
              currentVelocity = new Vector2(PhysicsParams.jumpWallVelHorizontal, currentVelocity.y + PhysicsParams.jumpWallVelVertical);
            }
          } else if (IsOnWallRight == true) {
            if (currentVelocity.y <= 0)
              currentVelocity = new Vector2(-PhysicsParams.jumpWallVelHorizontal, PhysicsParams.jumpWallVelVertical);
            else
              currentVelocity = new Vector2(-PhysicsParams.jumpWallVelHorizontal, currentVelocity.y + PhysicsParams.jumpWallVelVertical);
          }
        }
      }
      //did player lift the jump button?
      if (isKeyDownJump == false) {
        keyJumpPressed = false;
      }
 
      //let's apply force in case we are holding the jump key during a jump.
      if (keyJumpPressed == true) {
        SimAddForce(new Vector2(0, PhysicsParams.jumpUpForce) * EntityMass);
      }
      //however let's stop doing that as soon as we fall down after the up-phase.
      if (keyJumpPressed == true && currentVelocity.y <= 0) {
        keyJumpPressed = false;
      }
 
      //let's apply additional gravity in case we're in air moving up but not holding the jump button
      if (keyJumpPressed == false && isPlayerInAir == true && currentVelocity.y > 0) {
        SimAddForce(new Vector2(0, PhysicsParams.jumpGravity) * EntityMass);
      }
 
      //-----------------
      //IN AIR SIDEWAYS:
      if (isPlayerInAir == true) {
        //steering into moving direction (slow accel)
        if (isKeyDownLeft == true && currentVelocity.x <= 0)
          SimAddForce(new Vector2(-PhysicsParams.inAirMoveHorizontalForce, 0) * EntityMass);
        else if (isKeyDownRight == true && currentVelocity.x >= 0)
          SimAddForce(new Vector2(PhysicsParams.inAirMoveHorizontalForce, 0) * EntityMass);
        //steering against moving direction (fast reverse accel)
        else if (isKeyDownLeft == true && currentVelocity.x >= 0)
          SimAddForce(new Vector2(-PhysicsParams.inAirMoveHorizontalForceReverse, 0) * EntityMass);
        else if (isKeyDownRight == true && currentVelocity.x <= 0)
          SimAddForce(new Vector2(PhysicsParams.inAirMoveHorizontalForceReverse, 0) * EntityMass);
      }
 
      //-----------------
      //ON GROUND SIDEWAYS:
      if (isPlayerInAir == false) {
        //steering into moving direction (slow accel)
        if (isKeyDownLeft == true && currentVelocity.x <= 0)
          SimAddForce(new Vector2(-PhysicsParams.onGroundMoveHorizontalForce, 0) * EntityMass);
        else if (isKeyDownRight == true && currentVelocity.x >= 0)
          SimAddForce(new Vector2(PhysicsParams.onGroundMoveHorizontalForce, 0) * EntityMass);
        //steering against moving direction (fast reverse accel)
        else if (isKeyDownLeft == true && currentVelocity.x >= 0)
          SimAddForce(new Vector2(-PhysicsParams.onGroundMoveHorizontalForceReverse, 0) * EntityMass);
        else if (isKeyDownRight == true && currentVelocity.x <= 0)
          SimAddForce(new Vector2(PhysicsParams.onGroundMoveHorizontalForceReverse, 0) * EntityMass);
        //not steering -> brake due to friction.
        else if (isKeyDownLeft != true && isKeyDownRight != true && currentVelocity.x > 0)
          SimAddForce(new Vector2(-PhysicsParams.groundFriction, 0) * EntityMass);
        else if (isKeyDownLeft != true && isKeyDownRight != true && currentVelocity.x < 0)
          SimAddForce(new Vector2(PhysicsParams.groundFriction, 0) * EntityMass);
 
        //in case the velocity is close to 0 and no keys are pressed we should make the the player stop.
        //to do this let's first undo the prior friction force, and then set the velocity to 0.
        if (isKeyDownLeft != true && isKeyDownRight != true && currentVelocity.x > 0 && currentVelocity.x < PhysicsParams.groundFrictionEpsilon) {
          SimAddForce(new Vector2(PhysicsParams.groundFriction, 0) * EntityMass);
          currentVelocity.x = 0;
        } else if (isKeyDownLeft != true && isKeyDownRight != true && currentVelocity.x < 0 && currentVelocity.x > -PhysicsParams.groundFrictionEpsilon) {
          SimAddForce(new Vector2(-PhysicsParams.groundFriction, 0) * EntityMass);
          currentVelocity.x = 0;
        }
      }
    }
 
    public void ResetVelocity() {
      currentVelocity = Vector2.zero;
    }