X-Git-Url: http://git.localhorst.tv/?a=blobdiff_plain;f=src%2Fgraphics%2FCamera.cpp;fp=src%2Fgraphics%2FCamera.cpp;h=5f61d2639fb375e9233cb9053bcf2956a039d296;hb=b7d09e1e35ef90282c97509e0020b20db3c7ea9f;hp=0000000000000000000000000000000000000000;hpb=e53a0e2e711a7d8bd9b0ddacd1360aa14370643f;p=blank.git

diff --git a/src/graphics/Camera.cpp b/src/graphics/Camera.cpp
new file mode 100644
index 0000000..5f61d26
--- /dev/null
+++ b/src/graphics/Camera.cpp
@@ -0,0 +1,55 @@
+#include "Camera.hpp"
+
+#include "../model/geometry.hpp"
+
+#include <GL/glew.h>
+#include <glm/gtc/matrix_transform.hpp>
+
+
+namespace blank {
+
+Camera::Camera() noexcept
+: fov(PI_0p25)
+, aspect(1.0f)
+, near_clip(0.1f)
+, far_clip(256.0f)
+, projection(glm::perspective(fov, aspect, near_clip, far_clip)) {
+
+}
+
+
+void Camera::Viewport(int width, int height) noexcept {
+	Viewport(0, 0, width, height);
+}
+
+void Camera::Viewport(int x, int y, int width, int height) noexcept {
+	glViewport(x, y, width, height);
+	Aspect(width, height);
+}
+
+void Camera::FOV(float f) noexcept {
+	fov = f;
+	UpdateProjection();
+}
+
+void Camera::Aspect(float r) noexcept {
+	aspect = r;
+	UpdateProjection();
+}
+
+void Camera::Aspect(float w, float h) noexcept {
+	Aspect(w / h);
+}
+
+void Camera::Clip(float near, float far) noexcept {
+	near_clip = near;
+	far_clip = far;
+	UpdateProjection();
+}
+
+
+void Camera::UpdateProjection() noexcept {
+	projection = glm::perspective(fov, aspect, near_clip, far_clip);
+}
+
+}