From 855da86feae1a5cc14dc2d486ccf115f484dbc2e Mon Sep 17 00:00:00 2001 From: rtk0c Date: Mon, 25 Apr 2022 20:22:07 -0700 Subject: Changeset: 16 Initial work on rendering sprites to screen --- source/Camera.cpp | 33 +++++++++++++++++++++++++++++++++ 1 file changed, 33 insertions(+) create mode 100644 source/Camera.cpp (limited to 'source/Camera.cpp') diff --git a/source/Camera.cpp b/source/Camera.cpp new file mode 100644 index 0000000..90acd8f --- /dev/null +++ b/source/Camera.cpp @@ -0,0 +1,33 @@ +#include "Camera.hpp" + +#include "AppConfig.hpp" + +#include + +void Camera::Move(glm::vec3 pos) { + this->pos = pos; +} + +void Camera::LookAt(glm::vec3 pos) { + this->lookAt = pos; +} + +void Camera::SetHasPerspective(bool perspective) { + this->perspective = perspective; +} + +glm::mat4 Camera::CalcViewMatrix() const { + return glm::lookAt(pos, lookAt, glm::vec3(0, 1, 0)); +} + +glm::mat4 Camera::CalcProjectionMatrix() const { + if (perspective) { + return glm::perspective(90.0f, AppConfig::mainWindowAspectRatio, 0.1f, 1000.0f); + } else { + return glm::ortho( + pos.x - AppConfig::mainWidnowWidth / 2, + pos.x + AppConfig::mainWidnowWidth / 2, + pos.y - AppConfig::mainWindowHeight / 2, + pos.y + AppConfig::mainWindowHeight / 2); + } +} -- cgit v1.2.3-70-g09d2