35 lines
1.2 KiB
C++
35 lines
1.2 KiB
C++
#include "Window.h"
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using namespace Seele;
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using namespace Seele::Gfx;
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Window::Window() {}
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Window::~Window() {}
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Viewport::Viewport(PWindow owner, const ViewportCreateInfo& viewportInfo)
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: sizeX(std::min(owner->getFramebufferWidth(), viewportInfo.dimensions.size.x)),
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sizeY(std::min(owner->getFramebufferHeight(), viewportInfo.dimensions.size.y)), offsetX(viewportInfo.dimensions.offset.x),
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offsetY(viewportInfo.dimensions.offset.y), fieldOfView(viewportInfo.fieldOfView), owner(owner) {}
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Viewport::~Viewport() {}
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Matrix4 Viewport::getProjectionMatrix() const {
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if (fieldOfView > 0.0f) {
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// float h = 1.0 / tan(fieldOfView * 0.5);
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// float w = h / (sizeX / static_cast<float>(sizeY));
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// float zFar = 1000.0f;
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// float zNear = 0.1f;
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// float a = -zNear / (zFar - zNear);
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// float b = (zNear * zFar) / (zFar - zNear);
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// return Matrix4(
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// w, 0, 0, 0,
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// 0, -h, 0, 0,
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// 0, 0, a, b,
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// 0, 0, 1, 0
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//);
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return glm::perspective(fieldOfView, sizeX / static_cast<float>(sizeY), 0.1f, 1000.0f);
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} else {
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return glm::ortho(0.0f, (float)sizeX, (float)sizeY, 0.0f);
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}
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} |