1 files changed, 0 insertions, 399 deletions
diff --git a/externals/g3dlite/G3D.lib/source/GCamera.cpp b/externals/g3dlite/G3D.lib/source/GCamera.cpp
deleted file mode 100644
index e70188377e6..00000000000
--- a/externals/g3dlite/G3D.lib/source/GCamera.cpp
+++ /dev/null
@@ -1,399 +0,0 @@
-/**
-  @file GCamera.cpp
-
-  @author Morgan McGuire, matrix@graphics3d.com
-  @author Jeff Marsceill, 08jcm@williams.edu
- 
-  @created 2005-07-20
-  @edited  2007-07-24
-*/
-#include "G3D/GCamera.h"
-#include "G3D/platform.h"
-#include "G3D/Rect2D.h"
-#include "G3D/BinaryInput.h"
-#include "G3D/BinaryOutput.h"
-#include "G3D/Ray.h"
-#include "G3D/Matrix4.h"
-
-namespace G3D {
-
-GCamera::GCamera() {
-    setNearPlaneZ(-0.1f);
-    setFarPlaneZ(-(float)inf());
-    setFieldOfView((float)toRadians(55.0f), VERTICAL);
-}
-
-
-GCamera::~GCamera() {
-}
-
-void GCamera::getCoordinateFrame(CoordinateFrame& c) const {
-    c = m_cframe;
-}
-
-void GCamera::setCoordinateFrame(const CoordinateFrame& c) {
-    m_cframe = c;
-}
-
-void GCamera::setFieldOfView(float angle, FOVDirection dir) {
-    debugAssert((angle < pi()) && (angle > 0));
-    
-    m_fieldOfView = angle;
-    m_direction = dir;
-}
- 
-float GCamera::imagePlaneDepth() const{
-    return -m_nearPlaneZ;
-}
-
-float GCamera::viewportWidth(const Rect2D& viewport) const {
-    // Compute the side of a square at the near plane based on our field of view
-    float s = 2.0f * -m_nearPlaneZ * tan(m_fieldOfView * 0.5f);
-
-    if (m_direction == VERTICAL) {
-        s *= viewport.width() / viewport.height();
-    }
-
-    return s;
-}
-
-float GCamera::viewportHeight(const Rect2D& viewport) const {
-    // Compute the side of a square at the near plane based on our field of view
-    float s = 2.0f * -m_nearPlaneZ * tan(m_fieldOfView * 0.5f);
-
-    if (m_direction == HORIZONTAL) {
-        s *= viewport.height() / viewport.width();
-    }
-
-    return s;
-}
-
-Ray GCamera::worldRay(float x, float y, const Rect2D& viewport) const {
-
-    int screenWidth  = iFloor(viewport.width());
-    int screenHeight = iFloor(viewport.height());
-
-    Ray out;
-    out.origin = m_cframe.translation;
-
-    float cx = screenWidth  / 2.0f;
-    float cy = screenHeight / 2.0f;
-
-    out.direction = Vector3( (x - cx) * viewportWidth(viewport)  / screenWidth,
-                            -(y - cy) * viewportHeight(viewport) / screenHeight,
-                             (m_nearPlaneZ) );
-
-    out.direction = m_cframe.vectorToWorldSpace(out.direction);
-
-    // Normalize the direction (we didn't do it before)
-    out.direction = out.direction.direction();
-
-    return out;
-}
-
-/** 
-This is the matrix that a RenderDevice (or OpenGL) uses as the projection matrix.
-@sa RenderDevice::setProjectionAndCameraMatrix, RenderDevice::setProjectionMatrix, Matrix4::perspectiveProjection
-*/
-void GCamera::getProjectUnitMatrix(const Rect2D& viewport, Matrix4& P) const{
-
-    float screenWidth  = viewport.width();
-    float screenHeight = viewport.height();
-
-    float r, l, t, b, n, f, x, y;
-
-    if(m_direction == VERTICAL){
-        y = -m_nearPlaneZ * tan(m_fieldOfView / 2);
-        x = y * (screenWidth / screenHeight);
-    }
-    else{ //m_direction == HORIZONTAL
-        x = -m_nearPlaneZ * tan(m_fieldOfView / 2);
-        y = x * (screenHeight / screenWidth);
-    }
-
-    n = -m_nearPlaneZ;
-    f = -m_farPlaneZ;
-    r = x;
-    l = -x;
-    t = y;
-    b = -y;
-
-    P = Matrix4::perspectiveProjection(l, r, b, t, n, f);
-}
-
-Vector3 GCamera::projectUnit(const Vector3& point, const Rect2D& viewport) const {
-    Matrix4 M;
-    getProjectUnitMatrix(viewport, M);
-
-    Vector4 cameraSpacePoint(coordinateFrame().pointToObjectSpace(point), 1.0f);
-    const Vector4& screenSpacePoint = M * cameraSpacePoint;
-
-    return Vector3(screenSpacePoint.xyz() / screenSpacePoint.w);
-}
-
-Vector3 GCamera::project(const Vector3& point,
-                          const Rect2D&  viewport) const {
-
-    // Find the point in the homogeneous cube
-    const Vector3& cube = projectUnit(point, viewport);
-
-    return convertFromUnitToNormal(cube, viewport);
-}
-
-Vector3 GCamera::unprojectUnit(const Vector3& v, const Rect2D& viewport) const {
-
-    const Vector3& projectedPoint = convertFromUnitToNormal(v, viewport);
-
-    return unproject(projectedPoint, viewport);
-}
-
-
-Vector3 GCamera::unproject(const Vector3& v, const Rect2D& viewport) const {
-    
-    const float n = m_nearPlaneZ;
-    const float f = m_farPlaneZ;
-
-    float z;
-
-    if (-f >= inf()) {
-        // Infinite far plane
-        z = 1.0f / (((-1.0f / n) * v.z) + 1.0f / n);
-    } else {
-        z = 1.0f / ((((1.0f / f) - (1.0f / n)) * v.z) + 1.0f / n);
-    }
-
-    const Ray& ray = worldRay(v.x, v.y, viewport);
-
-    // Find out where the ray reaches the specified depth.
-    const Vector3& out = ray.origin + ray.direction * -z / (ray.direction.dot(m_cframe.lookVector()));
-
-    return out;
-}
-
-float GCamera::worldToScreenSpaceArea(float area, float z, const Rect2D& viewport) const {
-    if (z >= 0) {
-        return (float)inf();
-    }
-    return area * (float)square(imagePlaneDepth() / z);
-}
-
-
-void GCamera::getClipPlanes(
-    const Rect2D&       viewport,
-    Array<Plane>&       clip) const {
-
-    Frustum fr;
-    frustum(viewport, fr);
-    clip.resize(fr.faceArray.size(), DONT_SHRINK_UNDERLYING_ARRAY);
-    for (int f = 0; f < clip.size(); ++f) {
-        clip[f] = fr.faceArray[f].plane;
-    }
-}
- 
-GCamera::Frustum GCamera::frustum(const Rect2D& viewport) const {
-    Frustum f;
-    frustum(viewport, f);
-    return f;
-}
-
-void GCamera::frustum(const Rect2D& viewport, Frustum& fr) const {
-
-    // The volume is the convex hull of the vertices definining the view
-    // frustum and the light source point at infinity.
-
-    const float x               = viewportWidth(viewport) / 2;
-    const float y               = viewportHeight(viewport) / 2;
-    const float z               = m_nearPlaneZ;
-    const float w               = z / -m_farPlaneZ;
-    float fovx;
-
-    fovx = m_fieldOfView;
-    if (m_direction == VERTICAL) {
-        fovx *= x / y;
-    } 
-
-    // Near face (ccw from UR)
-    fr.vertexPos.append(
-        Vector4( x,  y, z, 1),
-        Vector4(-x,  y, z, 1),
-        Vector4(-x, -y, z, 1),
-        Vector4( x, -y, z, 1));
-
-    // Far face (ccw from UR, from origin)
-    fr.vertexPos.append(
-        Vector4( x,  y, z, w),
-        Vector4(-x,  y, z, w),
-        Vector4(-x, -y, z, w),
-        Vector4( x, -y, z, w));
-
-    Frustum::Face face;
-
-    // Near plane (wind backwards so normal faces into frustum)
-    // Recall that nearPlane, farPlane are positive numbers, so
-    // we need to negate them to produce actual z values.
-    face.plane = Plane(Vector3(0,0,-1), Vector3(0,0,m_nearPlaneZ));
-    face.vertexIndex[0] = 3;
-    face.vertexIndex[1] = 2;
-    face.vertexIndex[2] = 1;
-    face.vertexIndex[3] = 0;
-    fr.faceArray.append(face);
-
-    // Right plane
-    face.plane = Plane(Vector3(-cosf(fovx/2), 0, -sinf(fovx/2)), Vector3::zero());
-    face.vertexIndex[0] = 0;
-    face.vertexIndex[1] = 4;
-    face.vertexIndex[2] = 7;
-    face.vertexIndex[3] = 3;
-    fr.faceArray.append(face);
-
-    // Left plane
-    face.plane = Plane(Vector3(-fr.faceArray.last().plane.normal().x, 0, fr.faceArray.last().plane.normal().z), Vector3::zero());
-    face.vertexIndex[0] = 5;
-    face.vertexIndex[1] = 1;
-    face.vertexIndex[2] = 2;
-    face.vertexIndex[3] = 6;
-    fr.faceArray.append(face);
-
-    // Top plane
-    face.plane = Plane(Vector3(0, -cosf(m_fieldOfView/2.0f), -sinf(m_fieldOfView/2.0f)), Vector3::zero());
-    face.vertexIndex[0] = 1;
-    face.vertexIndex[1] = 5;
-    face.vertexIndex[2] = 4;
-    face.vertexIndex[3] = 0;
-    fr.faceArray.append(face);
-
-    // Bottom plane
-    face.plane = Plane(Vector3(0, -fr.faceArray.last().plane.normal().y, fr.faceArray.last().plane.normal().z), Vector3::zero());
-    face.vertexIndex[0] = 2;
-    face.vertexIndex[1] = 3;
-    face.vertexIndex[2] = 7;
-    face.vertexIndex[3] = 6;
-    fr.faceArray.append(face);
-
-    // Far plane
-    if (-m_farPlaneZ < inf()) {
-    	face.plane = Plane(Vector3(0, 0, 1), Vector3(0, 0, m_farPlaneZ));
-        face.vertexIndex[0] = 4;
-        face.vertexIndex[1] = 5;
-        face.vertexIndex[2] = 6;
-        face.vertexIndex[3] = 7;
-        fr.faceArray.append(face);
-    }
-
-    // Transform vertices to world space
-    for (int v = 0; v < fr.vertexPos.size(); ++v) {
-        fr.vertexPos[v] = m_cframe.toWorldSpace(fr.vertexPos[v]);
-    }
-
-    // Transform planes to world space
-    for (int p = 0; p < fr.faceArray.size(); ++p) {
-        // Since there is no scale factor, we don't have to 
-        // worry about the inverse transpose of the normal.
-        Vector3 normal;
-        float d;
-        
-        fr.faceArray[p].plane.getEquation(normal, d);
-        
-        Vector3 newNormal = m_cframe.rotation * normal;
-        
-        if (isFinite(d)) {
-            d = (newNormal * -d + m_cframe.translation).dot(newNormal);
-            fr.faceArray[p].plane = Plane(newNormal, newNormal * d);
-        } else {
-            // When d is infinite, we can't multiply 0's by it without
-            // generating NaNs.
-            fr.faceArray[p].plane = Plane::fromEquation(newNormal.x, newNormal.y, newNormal.z, d);
-        }
-    }
-}
-
-void GCamera::getNearViewportCorners(
-    const Rect2D& viewport,
-    Vector3& outUR,
-    Vector3& outUL,
-    Vector3& outLL,
-    Vector3& outLR) const {
-
-    // Must be kept in sync with getFrustum()
-    const float w  = viewportWidth(viewport) / 2.0f;
-    const float h  = viewportHeight(viewport) / 2.0f;
-    const float z  = nearPlaneZ();
-
-    // Compute the points
-    outUR = Vector3( w,  h, z);
-    outUL = Vector3(-w,  h, z);
-    outLL = Vector3(-w, -h, z);
-    outLR = Vector3( w, -h, z);
-
-    // Take to world space
-    outUR = m_cframe.pointToWorldSpace(outUR);
-    outUL = m_cframe.pointToWorldSpace(outUL);
-    outLR = m_cframe.pointToWorldSpace(outLR);
-    outLL = m_cframe.pointToWorldSpace(outLL);
-}
-
-void GCamera::getFarViewportCorners(
-    const Rect2D& viewport,
-    Vector3& outUR,
-    Vector3& outUL,
-    Vector3& outLL,
-    Vector3& outLR) const {
-
-    // Must be kept in sync with getFrustum()
-    const float w = viewportWidth(viewport) * m_farPlaneZ / m_nearPlaneZ;
-    const float h = viewportHeight(viewport) * m_farPlaneZ / m_nearPlaneZ;
-    const float z = m_farPlaneZ;
-    
-    // Compute the points
-    outUR = Vector3( w,  h, z);
-    outUL = Vector3(-w,  h, z);
-    outLL = Vector3(-w, -h, z);
-    outLR = Vector3( w, -h, z);
-
-    // Take to world space
-    outUR = m_cframe.pointToWorldSpace(outUR);
-    outUL = m_cframe.pointToWorldSpace(outUL);
-    outLR = m_cframe.pointToWorldSpace(outLR);
-    outLL = m_cframe.pointToWorldSpace(outLL);
-}
-
-
-
-void GCamera::setPosition(const Vector3& t) { 
-    m_cframe.translation = t;
-}
-
-
-void GCamera::lookAt(const Vector3& position, const Vector3& up) { 
-    m_cframe.lookAt(position, up);
-}
-
-
-void GCamera::serialize(BinaryOutput& bo) const {
-    bo.writeFloat32(m_fieldOfView);
-    bo.writeFloat32(imagePlaneDepth());
-    debugAssert(nearPlaneZ() < 0.0f);
-    bo.writeFloat32(nearPlaneZ());
-    debugAssert(farPlaneZ() < 0.0f);
-    bo.writeFloat32(farPlaneZ());
-    m_cframe.serialize(bo);
-    bo.writeInt8(m_direction);
-}
-
-
-void GCamera::deserialize(BinaryInput& bi) {
-    m_fieldOfView = bi.readFloat32();
-    m_nearPlaneZ = bi.readFloat32();
-    debugAssert(m_nearPlaneZ < 0.0f);
-    m_farPlaneZ = bi.readFloat32();
-    debugAssert(m_farPlaneZ < 0.0f);
-    m_cframe.deserialize(bi);
-    m_direction = (FOVDirection)bi.readInt8();
-}
-
-
-Vector3 GCamera::convertFromUnitToNormal(const Vector3& in, const Rect2D& viewport) const{
-    return (in + Vector3(1,1,1)) * 0.5 * Vector3(viewport.width(), -viewport.height(), 1) + 
-           Vector3(viewport.x0(), viewport.y1(), 0);
-}
-} // namespace