diff options
Diffstat (limited to 'src/render/camera.cc')
| -rw-r--r-- | src/render/camera.cc | 22 |
1 files changed, 20 insertions, 2 deletions
diff --git a/src/render/camera.cc b/src/render/camera.cc index ae7cd43..108e4db 100644 --- a/src/render/camera.cc +++ b/src/render/camera.cc @@ -23,6 +23,9 @@ const float pitch_track = -15.0f; const float pitch_overview = -5.0f; float Camera::camera_aspect = 1.0f; +int Camera::camera_width = 0; +int Camera::camera_height = 0; + float Camera::camera_frustum_size = 0.5f; float Camera::camera_frustum_front = 1.0f; math::Vector3f Camera::camera_eye; @@ -45,6 +48,8 @@ float Camera::distance; void Camera::init() { camera_aspect = 1.0f; + camera_height = 0; + camera_width = 0; camera_frustum_size = 0.5f; camera_frustum_front = 1.0f; @@ -72,8 +77,10 @@ void Camera::shutdown() { } -void Camera::set_aspect(int width, int height) +void Camera::resize(int width, int height) { + camera_width = width; + camera_height = height; camera_aspect = (float) width / (float) height; } @@ -303,7 +310,7 @@ void Camera::frame(float seconds) camera_eye = camera_target - (distance * camera_axis.forward()); } -void Camera::draw() +void Camera::frustum() { // Change to the projection matrix and set our viewing volume large enough for the skysphere gl::matrixmode(GL_PROJECTION); @@ -325,6 +332,17 @@ void Camera::draw() gl::translate(-1.0f * camera_eye); } +void Camera::ortho() +{ + // switch to orthographic projection + gl::matrixmode(GL_PROJECTION); + gl::loadidentity(); + glOrtho(0, camera_width, camera_height, 0, -16.0f, 16.0f); + + gl::matrixmode(GL_MODELVIEW); + gl::loadidentity(); +} + void Camera::set_direction(float direction) { target_direction = direction; |