极坐标船只游戏示例
几何画板及绘图内容加载中,请稍等……
本范例演示如何在平面直角坐标系中利用极坐标实现船只的位置与方向控制。核心数学概念包括极坐标、角度、圆、单位圆、旋转、随机生成与序列等。作图过程使用 Random 随机生成船只起点,Circle 绘制圆形轨迹,Ray 与 OrthogonalLine 构造射线与正交线,Intersect 求交点,CircumcircleArc 绘制圆弧,Midpoint 求中点,Sequence 生成点列,If 实现条件判断,Angle 求角度,Segment 绘制线段,Polygon 构造多边形,Line 绘制直线,Rotate 实现旋转,Mod 取模,Point 放置关键点。适合高中数学课堂、坐标几何与三角函数教学以及 GeoGebra 交互式演示。
GeoGebra 命令及参数
Random(4.0, 15.0) → rrCircle(A, (1.5 * v - 1.0) * rr) → c'Ray(A, (0.0, 0.0)) → aOrthogonalLine(A, a) → bIntersect(c', b) → B, CIntersect(c', a) → D, TCircumcircleArc(B, D, C) → dMidpoint(C, D) → EMidpoint(B, D) → F_2Ray(A', E) → eRay(A', F_2) → fIntersect(d, e) → G,Intersect(d, f) → H,CircumcircleArc(G, D, H) → gCircle(I, 1.0) → hSequence(Text[If[s < 10.0, " ", ""] + (s), (21.6 + 2.0 * Mod[s - 1.0, 3.0], 7.75 - 2.0 * Div[s - 1.0, 3.0])], s, 1.0, 12.0) → liste3Circle(J, 1.0) → kSequence(Text[If[s ≟ 1.0, " ", If[s < 5.0, " ", ""]] + (30.0 * (s - 1.0)) + "º", (21.25 + 2.0 * Mod[s - 1.0, 3.0], -(6.25) - 2.0 * Div[s - 1.0, 3.0])], s, 1.0, 12.0) → liste4If(yB > -(5.0), 5.0*°, ((xB - 3.0 * yB) / 2.0 - 19.0 - 1.0) * 30.0°) → angIf(ang ≟ α ∧ dist ≟ rr, true, false) → razAngle((1.0, 0.0), (0.0, 0.0), A) → βSegment(O, N) → mCircle(A, (2.0 * v - 1.0) * rr - n) → pSequence(Circle[A, (1.5 * v - 1.0) * rr - i], i, 0.0, n, n / 10.0) → liste5Polygon(P, Q, R, S) → poly1, p_1, q, r_1, sAngle((1.0, 0.0), (0.0, 0.0), A) → γCircle((0.0, 0.0), If[2.0 * v * rr > 12.0, 0.0, 2.0 * v * rr]) → cMidpoint(K, L) → UMidpoint(U, L) → VMidpoint(U, V) → WMidpoint(V, L) → ZSegment(K, C_1) → lLine(A, l) → iSegment(A, U) → tIntersect(c, t) → A_1, B_1Segment(U, A_1) → a_1Circle(U, W) → c_1Circle(U, V) → d_1Circle(U, Z) → e_1Circle(U, L) → f_1Rotate(C_1, 6.0 * v, U) → L'Segment(U, L') → b_1Mod(v * 100.0, 2.0) → abSequence(Circle[(0.0, 0.0), t], t, 1.0, 15.0) → liste1Sequence(Segment[(0.0, 0.0), (15.0; 2.0 * 3.141592653589793 * t / 36.0)], t, 0.0, 37.0) → liste2Segment(O, D_1) → jCircle(O, C_1) → g_1Point(g_1) → E_1Segment(O, E_1) → h_1Circle(U, C_1) → k_1Circle(F_1, 8.0 - r / 2.5) → q_1Line(F_1, l) → i_1Intersect(q_1, i_1) → G_1, H_1Line(J_1, r_1) → j_1Point(j_1) → N_1Line(N_1, l) → l_1Line(J_1, l) → m_1Point(m_1) → O_1Point(l_1) → P_1Intersect(l_1, r_1) → M_1Polygon(M_1, N_1, J_1, F) → poly2, m_2, n_1, j_2, f_2Point(l_1) → Q_1Point(m_1) → R_1Polygon(P_1, Q_1, R_1, O_1) → poly3, p_2, q_2, r_2, o_1Point(j_1) → S_1Point(o_1) → T_1Polygon(S_1, T_1, O_1, J_1) → poly4, s_1, t_1, o_2, j_3Midpoint(s_1) → V_1Midpoint(o_2) → W_1Midpoint(S_1, J_1) → Z_1Midpoint(t_1) → A_2Segment(V_1, W_1) → a_2Segment(Z_1, A_2) → b_2Intersect(b_2, a_2) → B_2Circle(B_2, V_1) → c_2
AI 绘图提示语参考
画一个基于极坐标的船戏游戏图形,中心有一个圆表示轨迹,船的初始位置随机生成,用射线和垂线确定方向,找到圆与射线的交点,用圆弧连接这些点,显示角度和距离的文本标签,船的路径由多个圆组成,背景有单位圆和多个同心圆,整体构成一个动态的极坐标游戏场景。
以上提示语为根据原始绘图命令整理而来,仅供参考。