加入 Node节点类 还未测试新框架

This commit is contained in:
2025-10-27 23:12:56 +08:00
parent 80d088316b
commit 0ae47e5d6a
52 changed files with 1642 additions and 458 deletions

View File

@@ -0,0 +1,61 @@
#include "Y_Transform.h"
#include <cmath>
Y_Transform::Y_Transform() : position(0.f, 0.f), scale(1.0f, 1.0f), skew(0.f, 0.f), rotation(0.f)
{
}
Matrix3x2 Y_Transform::ToMatrix() const
{
// 将角度转换为弧度
float rotRad = glm::radians(rotation);
float skewXRad = glm::radians(skew.x);
float skewYRad = glm::radians(skew.y);
// 计算旋转的正弦和余弦
float cosRot = std::cos(rotRad);
float sinRot = std::sin(rotRad);
// 计算错切的正切值
float tanSkewX = std::tan(skewXRad);
float tanSkewY = std::tan(skewYRad);
// 构造基础变换矩阵(缩放 × 错切 × 旋转的组合)
// 注意:矩阵乘法顺序为 旋转 × 错切 × 缩放(从右向左应用)
float m00 = scale.x * (cosRot - sinRot * tanSkewY);
float m01 = scale.y * (-sinRot + cosRot * tanSkewX);
float m10 = scale.x * (sinRot + cosRot * tanSkewY);
float m11 = scale.y * (cosRot + sinRot * tanSkewX);
// 平移分量
float tx = position.x;
float ty = position.y;
// 构造并返回 3x2 矩阵(假设 Matrix3x2 可通过此方式初始化)
return Matrix3x2(m00, m01, m10, m11, tx, ty);
}
glm::mat4 Y_Transform::GetTransformMatrix() const
{
// 缩放矩阵Scale
glm::mat4 scaleMat = glm::mat4(1.0f); // 单位矩阵
scaleMat[0][0] = scale.x; // x轴缩放
scaleMat[1][1] = scale.y; // y轴缩放
// 错切矩阵Skew先将角度转为弧度
float skewX = glm::radians(skew.x); // 沿y轴错切角度x方向倾斜
float skewY = glm::radians(skew.y); // 沿x轴错切角度y方向倾斜
glm::mat4 skewMat = glm::mat4(1.0f);
skewMat[0][1] = tan(skewX); // x方向错切因子影响y轴
skewMat[1][0] = tan(skewY); // y方向错切因子影响x轴
// 旋转矩阵Rotation绕z轴旋转角度转弧度
float rotRad = glm::radians(rotation);
glm::mat4 rotMat = glm::rotate(glm::mat4(1.0f), rotRad, glm::vec3(0, 0, 1));
// 平移矩阵Translation
glm::mat4 transMat = glm::translate(glm::mat4(1.0f), glm::vec3(position, 0.0f));
// 组合变换矩阵:平移 × 旋转 × 错切 × 缩放(注意乘法顺序,从右向左应用)
return transMat * rotMat * skewMat * scaleMat;
}