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Offset camera fix, cleaner frustum transformation.

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This commit is contained in:
Andrzej Kapolka 2013-05-30 11:08:33 -07:00
parent 3330b20232
commit 100d10dc9e
2 changed files with 6 additions and 5 deletions
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9
interface/src/Application.cpp
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@ -338,6 +338,7 @@ void Application::paintGL() {
_viewFrustumOffsetPitch, _viewFrustumOffsetYaw, _viewFrustumOffsetRoll)))); _viewFrustumOffsetPitch, _viewFrustumOffsetYaw, _viewFrustumOffsetRoll))));
_viewFrustumOffsetCamera.setUpShift (_viewFrustumOffsetUp ); _viewFrustumOffsetCamera.setUpShift (_viewFrustumOffsetUp );
_viewFrustumOffsetCamera.setDistance (_viewFrustumOffsetDistance); _viewFrustumOffsetCamera.setDistance (_viewFrustumOffsetDistance);
_viewFrustumOffsetCamera.initialize(); // force immediate snap to ideal position and orientation
_viewFrustumOffsetCamera.update(1.f/_fps); _viewFrustumOffsetCamera.update(1.f/_fps);
whichCamera = _viewFrustumOffsetCamera; whichCamera = _viewFrustumOffsetCamera;
} }
@ -1381,9 +1382,9 @@ void Application::loadViewFrustum(Camera& camera, ViewFrustum& viewFrustum) {
float farClip = camera.getFarClip(); float farClip = camera.getFarClip();
glm::quat rotation = camera.getRotation(); glm::quat rotation = camera.getRotation();
glm::vec3 direction = rotation * IDENTITY_FRONT; glm::vec3 direction = rotation * AVATAR_FRONT;
glm::vec3 up = rotation * IDENTITY_UP; glm::vec3 up = rotation * AVATAR_UP;
glm::vec3 right = rotation * IDENTITY_RIGHT; glm::vec3 right = rotation * AVATAR_RIGHT;
/* /*
printf("position.x=%f, position.y=%f, position.z=%f\n", position.x, position.y, position.z); printf("position.x=%f, position.y=%f, position.z=%f\n", position.x, position.y, position.z);
@ -1398,7 +1399,7 @@ void Application::loadViewFrustum(Camera& camera, ViewFrustum& viewFrustum) {
// Set the viewFrustum up with the correct position and orientation of the camera // Set the viewFrustum up with the correct position and orientation of the camera
viewFrustum.setPosition(position); viewFrustum.setPosition(position);
viewFrustum.setOrientation(direction,up,-right); viewFrustum.setOrientation(direction,up,right);
// Also make sure it's got the correct lens details from the camera // Also make sure it's got the correct lens details from the camera
viewFrustum.setFieldOfView(fov); viewFrustum.setFieldOfView(fov);

2
libraries/voxels/src/ViewFrustum.cpp
View file

@ -59,7 +59,7 @@ void ViewFrustum::calculate() {
// find the intersections of the rays through the corners with the clip planes in view space, // find the intersections of the rays through the corners with the clip planes in view space,
// then transform them to world space // then transform them to world space
glm::mat4 worldMatrix = glm::translate(_position) * glm::mat4(glm::mat3(_right, _up, _direction)) * glm::mat4 worldMatrix = glm::translate(_position) * glm::mat4(glm::mat3(_right, _up, -_direction)) *
glm::translate(_eyeOffsetPosition) * glm::mat4_cast(_eyeOffsetOrientation); glm::translate(_eyeOffsetPosition) * glm::mat4_cast(_eyeOffsetOrientation);
_farTopLeft = glm::vec3(worldMatrix * glm::vec4(topLeft * _farTopLeft = glm::vec3(worldMatrix * glm::vec4(topLeft *
(-farClipPlane.w / glm::dot(topLeft, glm::vec3(farClipPlane))), 1.0f)); (-farClipPlane.w / glm::dot(topLeft, glm::vec3(farClipPlane))), 1.0f));