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workaround for assert failures when bad view frustum input

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ZappoMan 2014-03-31 17:55:40 -07:00
parent ef68f164c9
commit 4bf7faba7b
1 changed files with 5 additions and 3 deletions
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4
libraries/octree/src/ViewFrustum.cpp
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@ -129,7 +129,9 @@ void ViewFrustum::calculate() {
// Also calculate our projection matrix in case people want to project points... // Also calculate our projection matrix in case people want to project points...
// Projection matrix : Field of View, ratio, display range : near to far // Projection matrix : Field of View, ratio, display range : near to far
glm::mat4 projection = glm::perspective(_fieldOfView, _aspectRatio, _nearClip, _farClip); const float CLIP_NUDGE = 1.0f;
float farClip = (_farClip != _nearClip) ? _farClip : _nearClip + CLIP_NUDGE; // don't allow near and far to be equal
glm::mat4 projection = glm::perspective(_fieldOfView, _aspectRatio, _nearClip, farClip);
glm::vec3 lookAt = _position + _direction; glm::vec3 lookAt = _position + _direction;
glm::mat4 view = glm::lookAt(_position, lookAt, _up); glm::mat4 view = glm::lookAt(_position, lookAt, _up);