diff options
Diffstat (limited to 'source/blender/freestyle/intern/scene_graph/NodeCamera.cpp')
| -rw-r--r-- | source/blender/freestyle/intern/scene_graph/NodeCamera.cpp | 140 |
1 files changed, 78 insertions, 62 deletions
diff --git a/source/blender/freestyle/intern/scene_graph/NodeCamera.cpp b/source/blender/freestyle/intern/scene_graph/NodeCamera.cpp index 3413cd125c7..30d05ee571c 100644 --- a/source/blender/freestyle/intern/scene_graph/NodeCamera.cpp +++ b/source/blender/freestyle/intern/scene_graph/NodeCamera.cpp @@ -20,81 +20,97 @@ */ #include <math.h> -#include <string.h> // for memcpy +#include <string.h> // for memcpy #include "NodeCamera.h" namespace Freestyle { -static void loadIdentity(double * matrix) +static void loadIdentity(double *matrix) { - int i; - - // Build Identity matrix - for (i = 0; i < 16; ++i) { - double value ; - if ((i % 5) == 0) - value = 1.0; - else - value = 0; - matrix[i] = value; - } + int i; + + // Build Identity matrix + for (i = 0; i < 16; ++i) { + double value; + if ((i % 5) == 0) + value = 1.0; + else + value = 0; + matrix[i] = value; + } } NodeCamera::NodeCamera(CameraType camera_type) : camera_type_(camera_type) { - loadIdentity(modelview_matrix_); - loadIdentity(projection_matrix_); + loadIdentity(modelview_matrix_); + loadIdentity(projection_matrix_); } -#if 0 /* UNUSED, gives warning in gcc */ +#if 0 /* UNUSED, gives warning in gcc */ NodeCamera::NodeCamera(const NodeCamera& iBrother) : camera_type_(iBrother.camera_type_) { - memcpy(modelview_matrix_, iBrother.modelview_matrix_, 16 * sizeof(double)); - memcpy(projection_matrix_, iBrother.projection_matrix_, 16 * sizeof(double)); + memcpy(modelview_matrix_, iBrother.modelview_matrix_, 16 * sizeof(double)); + memcpy(projection_matrix_, iBrother.projection_matrix_, 16 * sizeof(double)); } #endif -void NodeCamera::accept(SceneVisitor& v) +void NodeCamera::accept(SceneVisitor &v) { - v.visitNodeCamera(*this); + v.visitNodeCamera(*this); } void NodeCamera::setModelViewMatrix(double modelview_matrix[16]) { - memcpy(modelview_matrix_, modelview_matrix, 16 * sizeof(double)); + memcpy(modelview_matrix_, modelview_matrix, 16 * sizeof(double)); } void NodeCamera::setProjectionMatrix(double projection_matrix[16]) { - memcpy(projection_matrix_, projection_matrix, 16 * sizeof(double)); + memcpy(projection_matrix_, projection_matrix, 16 * sizeof(double)); } NodeOrthographicCamera::NodeOrthographicCamera() -: NodeCamera(NodeCamera::ORTHOGRAPHIC), left_(0), right_(0), bottom_(0), top_(0), zNear_(0), zFar_(0) + : NodeCamera(NodeCamera::ORTHOGRAPHIC), + left_(0), + right_(0), + bottom_(0), + top_(0), + zNear_(0), + zFar_(0) { - loadIdentity(projection_matrix_); - loadIdentity(modelview_matrix_); + loadIdentity(projection_matrix_); + loadIdentity(modelview_matrix_); } -NodeOrthographicCamera::NodeOrthographicCamera(double left, double right, double bottom, double top, - double zNear, double zFar) -: NodeCamera(NodeCamera::ORTHOGRAPHIC), left_(left), right_(right), bottom_(bottom), top_(top), - zNear_(zNear), zFar_(zFar) +NodeOrthographicCamera::NodeOrthographicCamera( + double left, double right, double bottom, double top, double zNear, double zFar) + : NodeCamera(NodeCamera::ORTHOGRAPHIC), + left_(left), + right_(right), + bottom_(bottom), + top_(top), + zNear_(zNear), + zFar_(zFar) { - loadIdentity(projection_matrix_); - - projection_matrix_[0] = 2.0 / (right - left); - projection_matrix_[3] = -(right + left) / (right - left) ; - projection_matrix_[5] = 2.0 / (top - bottom); - projection_matrix_[7] = -(top + bottom) / (top - bottom) ; - projection_matrix_[10] = -2.0 / (zFar - zNear); - projection_matrix_[11] = -(zFar + zNear) / (zFar - zNear); + loadIdentity(projection_matrix_); + + projection_matrix_[0] = 2.0 / (right - left); + projection_matrix_[3] = -(right + left) / (right - left); + projection_matrix_[5] = 2.0 / (top - bottom); + projection_matrix_[7] = -(top + bottom) / (top - bottom); + projection_matrix_[10] = -2.0 / (zFar - zNear); + projection_matrix_[11] = -(zFar + zNear) / (zFar - zNear); } -NodeOrthographicCamera::NodeOrthographicCamera(const NodeOrthographicCamera& iBrother) -: NodeCamera(iBrother), left_(iBrother.left_), right_(iBrother.right_), bottom_(iBrother.bottom_), top_(iBrother.top_), - zNear_(iBrother.zNear_), zFar_(iBrother.zFar_) +NodeOrthographicCamera::NodeOrthographicCamera(const NodeOrthographicCamera &iBrother) + : NodeCamera(iBrother), + left_(iBrother.left_), + right_(iBrother.right_), + bottom_(iBrother.bottom_), + top_(iBrother.top_), + zNear_(iBrother.zNear_), + zFar_(iBrother.zFar_) { } @@ -103,34 +119,34 @@ NodePerspectiveCamera::NodePerspectiveCamera() : NodeCamera(NodeCamera::PERSPECT } NodePerspectiveCamera::NodePerspectiveCamera(double fovy, double aspect, double zNear, double zFar) -: NodeCamera(NodeCamera::PERSPECTIVE) + : NodeCamera(NodeCamera::PERSPECTIVE) { - loadIdentity(projection_matrix_); + loadIdentity(projection_matrix_); - double f = cos(fovy / 2.0) / sin(fovy / 2.0); // cotangent + double f = cos(fovy / 2.0) / sin(fovy / 2.0); // cotangent - projection_matrix_[0] = f / aspect; - projection_matrix_[5] = f; - projection_matrix_[10] = (zNear + zFar) / (zNear - zFar); - projection_matrix_[11] = (2.0 * zNear * zFar) / (zNear - zFar); - projection_matrix_[14] = -1.0; - projection_matrix_[15] = 0; + projection_matrix_[0] = f / aspect; + projection_matrix_[5] = f; + projection_matrix_[10] = (zNear + zFar) / (zNear - zFar); + projection_matrix_[11] = (2.0 * zNear * zFar) / (zNear - zFar); + projection_matrix_[14] = -1.0; + projection_matrix_[15] = 0; } -NodePerspectiveCamera::NodePerspectiveCamera(double left, double right, double bottom, double top, - double zNear, double zFar) -: NodeCamera(NodeCamera::PERSPECTIVE) +NodePerspectiveCamera::NodePerspectiveCamera( + double left, double right, double bottom, double top, double zNear, double zFar) + : NodeCamera(NodeCamera::PERSPECTIVE) { - loadIdentity(projection_matrix_); - - projection_matrix_[0] = (2.0 * zNear) / (right - left); - projection_matrix_[2] = (right + left) / (right - left); - projection_matrix_[5] = (2.0 * zNear) / (top - bottom); - projection_matrix_[6] = (top + bottom) / (top - bottom); - projection_matrix_[10] = -(zFar + zNear) / (zFar - zNear); - projection_matrix_[11] = -(2.0 * zFar * zNear) / (zFar - zNear); - projection_matrix_[14] = -1.0; - projection_matrix_[15] = 0; + loadIdentity(projection_matrix_); + + projection_matrix_[0] = (2.0 * zNear) / (right - left); + projection_matrix_[2] = (right + left) / (right - left); + projection_matrix_[5] = (2.0 * zNear) / (top - bottom); + projection_matrix_[6] = (top + bottom) / (top - bottom); + projection_matrix_[10] = -(zFar + zNear) / (zFar - zNear); + projection_matrix_[11] = -(2.0 * zFar * zNear) / (zFar - zNear); + projection_matrix_[14] = -1.0; + projection_matrix_[15] = 0; } } /* namespace Freestyle */ |