cyzdzy

Author: supermonkeyguys

Diff for: 大作业/陈昱璋/植物大战僵尸-完整素材/植物大战僵尸-完整素材/res/Adventure_0.png

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+//头文件要求
+#include <cmath>
+#include "vector2.h"
+
+//加法
+vector2 operator +(vector2 x, vector2 y) { 
+	return vector2(x.x + y.x, x.y + y.y ); 
+}
+
+//减法
+vector2 operator -(vector2 x, vector2 y) {
+	return vector2(x.x - y.x, x.y - y.y);
+}
+
+// 乘法
+vector2 operator *(vector2 x, vector2 y) {
+	return vector2(x.x * y.x - x.y * y.y, x.y * y.x + x.x * y.y);
+}
+
+// 乘法
+vector2 operator *(vector2 y, float x) {
+	return vector2(x*y.x, x*y.y);
+}
+
+vector2 operator *(float x, vector2 y) {
+	return vector2(x * y.x, x * y.y);
+}
+
+//叉积
+long long cross(vector2 x, vector2 y) { return x.y * y.x - x.x * y.y; }
+
+//数量积 点积
+long long dot(vector2 x, vector2 y) { return x.x * y.x + x.y * y.y; }
+
+//四舍五入除法
+long long dv(long long a, long long b) {//注意重名！！！ 
+	return b < 0 ? dv(-a, -b)
+		: (a < 0 ? -dv(-a, b)
+			: (a + b / 2) / b);
+}
+
+//模长平方
+long long len(vector2 x) { return x.x * x.x + x.y * x.y; }
+
+//模长
+long long dis(vector2 x) { return sqrt(x.x * x.x + x.y * x.y); }
+
+//向量除法
+vector2 operator /(vector2 x, vector2 y) {
+	long long l = len(y);
+	return vector2(dv(dot(x, y), l), dv(cross(x, y), l));
+}
+
+//向量膜
+vector2 operator %(vector2 x, vector2 y) { return x - ((x / y) * y); }
+
+//向量GCD 
+vector2 gcd(vector2 x, vector2 y) { return len(y) ? gcd(y, x % y) : x; }
+
+
+vector2 calcBezierPoint(float t, vector2 p0, vector2 p1, vector2 p2, vector2 p3) {
+	float u = 1 - t;
+	float tt = t * t;
+	float uu = u * u;
+	float uuu = uu * u;
+	float ttt = tt * t;
+
+	vector2 p = uuu * p0;
+	p = p + 3 * uu * t * p1;
+	p = p + 3 * u * tt * p2;
+	p = p + ttt * p3;
+
+	return p;
+}

Diff for: 大作业/陈昱璋/植物大战僵尸-完整素材/植物大战僵尸-完整素材/res/Adventure_1.png

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+#pragma once
+
+//头文件要求
+#include <cmath>
+
+struct vector2 {
+	vector2(int _x=0, int _y=0) :x(_x), y(_y) {}
+	vector2(int* data) :x(data[0]), y(data[1]){}
+	long long x, y;
+};
+
+//加法
+vector2 operator +(vector2 x, vector2 y);
+
+//减法
+vector2 operator -(vector2 x, vector2 y);
+
+// 乘法
+vector2 operator *(vector2 x, vector2 y);
+vector2 operator *(vector2, float);
+vector2 operator *(float, vector2);
+
+//叉积
+long long cross(vector2 x, vector2 y);
+
+//数量积 点积
+long long dot(vector2 x, vector2 y);
+
+//四舍五入除法
+long long dv(long long a, long long b);
+
+
+//模长平方
+long long len(vector2 x);
+
+//模长
+long long dis(vector2 x);
+
+//向量除法
+vector2 operator /(vector2 x, vector2 y);
+
+//向量膜
+vector2 operator %(vector2 x, vector2 y);
+
+//向量GCD 
+vector2 gcd(vector2 x, vector2 y);
+
+vector2 calcBezierPoint(float t, vector2 p0, vector2 p1, vector2 p2, vector2 p3);