stanford dragon rendering

1 files changed, 37 insertions, 0 deletions

diff --git a/engine/xe_camera.hpp b/engine/xe_camera.hpp
new file mode 100644
index 0000000..00711cd
--- /dev/null
+++ b/engine/xe_camera.hpp
@@ -0,0 +1,37 @@
+#pragma once
+
+#include <glm/fwd.hpp>
+#define GLM_FORCE_RADIANS
+#define GLM_FORCE_DEPTH_ZERO_TO_ONE
+#include <glm/glm.hpp>
+
+namespace xe {
+
+class XeCamera {
+  public:
+
+    void setOrthographicProjection(
+      float left, float right, float top, float bottom, float near, float far);
+
+    void setPerspectiveProjection(
+      float fovy, float aspect, float near, float far);
+
+    void setViewDirection(
+      glm::vec3 position, glm::vec3 direction, glm::vec3 up = glm::vec3(0.f, -1.f, 0.f));
+
+    void setViewTarget(
+      glm::vec3 position, glm::vec3 target, glm::vec3 up = glm::vec3(0.f, -1.f, 0.f));
+    
+    void setViewYXZ(
+      glm::vec3 position, glm::vec3 rotation);
+
+    const glm::mat4& getProjection() const { return projectionMatrix; }
+    const glm::mat4& getView() const { return viewMatrix; }
+
+  private:
+    glm::mat4 projectionMatrix{1.f};
+    glm::mat4 viewMatrix{1.f};
+
+};
+
+}
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