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56 lines
1.3 KiB
C++
56 lines
1.3 KiB
C++
//
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// Created by FlaXxy on 29.07.2018.
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//
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#pragma once
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#include <glm/vec2.hpp>
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#include <glm/mat3x3.hpp>
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#include <glm/mat4x4.hpp>
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#include <glm/gtc/matrix_transform.hpp>
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namespace MM::Components {
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struct Transform2D {
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glm::vec2 position {0.0f,0.0f};
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glm::vec2 scale {1.0f,1.0f};
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float rotation {0.0f};
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glm::mat3x3 getTransform3(void) const {
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//return transformationMatrix(scale, rotation, position);
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glm::mat3x3 res(1);
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res[2][0] = position.x;
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res[2][1] = position.y;
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float const s = sinf(rotation);
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float const c = cosf(rotation);
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res[0][0] = scale.x * c;
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res[0][1] = scale.x * s;
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res[1][0] = scale.y * -s;
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res[1][1] = scale.y * c;
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return res;
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}
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glm::mat4x4 getTransform4(float z = 500.f) const {
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//return transformationMatrix(scale, rotation, position);
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glm::mat4x4 res{1};
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//res[2][0] = position.x;
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//res[2][1] = position.y;
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res = glm::translate(res, glm::vec3(position, z));
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//float const s = sinf(rotation);
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//float const c = cosf(rotation);
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//res[0][0] = scale.x * c;
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//res[0][1] = scale.x * s;
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//res[1][0] = scale.y * -s;
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//res[1][1] = scale.y * c;
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res = glm::rotate(res, rotation, glm::vec3(0.f, 0.f, 1.f));
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res = glm::scale(res, glm::vec3(scale, 1.f));
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return res;
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}
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};
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} // MM::Components
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