希望粒子particle1 goal的范围是水平方向0.5 垂直方向1 应该写以下表达式____。
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希望粒子particle1 goal的范围是水平方向0.5、垂直方向1，应该写以下表达式____。
A．particleShape1.goalV = rand(0,1); particleShape1.goalU = rand(0,0.5);
B．particleShape1.goalV = rand(0,0.5); particleShape1.goalU = rand(0,1);
C．particleShape1.goalV = rand(0.5,1); particleShape1.goalU = rand(0,1);
D．particleShape1.gpalV = rand（1,0）； particleShape1.goalU = rand（0,0.5）
回答
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particleShape1.goalV = rand(0,1); particleShape1.goalU = rand(0,0.5);