31 lines
662 B
C++
31 lines
662 B
C++
#pragma once
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#define GLM_FORCE_RADIANS
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#define GLM_FORCE_DEPTH_ZERO_TO_ONE
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#include <glm/glm.hpp>
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#include <glm/gtc/matrix_transform.hpp>
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namespace sophia {
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class Camera2D {
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public:
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glm::vec2 position{0.f, 0.f};
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void setProjection(float left, float right, float bottom, float top) {
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projection = glm::ortho(left, right, bottom, top);
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}
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const glm::mat4& getProjection() const { return projection; }
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glm::mat4 getView() const {
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return glm::translate(glm::mat4(1.f), glm::vec3(-position, 0.f));
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}
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glm::mat4 getViewProjection() const { return projection * getView(); }
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private:
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glm::mat4 projection{1.f};
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};
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} // namespace sophia
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