diff options
Diffstat (limited to 'src/arap.cpp')
| -rw-r--r-- | src/arap.cpp | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/src/arap.cpp b/src/arap.cpp index e1ab1ca..ae7240d 100644 --- a/src/arap.cpp +++ b/src/arap.cpp @@ -51,6 +51,8 @@ void ARAP::init minCorner = coeffMin; maxCorner = coeffMax; + + initCausticsShape(10); } void ARAP::update(double seconds) @@ -98,3 +100,64 @@ void ARAP::move // - Minus and equal keys (click repeatedly) to change the size of the vertices } +void ARAP::initCausticsShape(int res) { +// std::vector<Eigen::Vector3f> gridPoints; +// float step = 2.f / ((float) res); + +// for (int i = 0; i < res; ++i) { +// for (int j = 0; j < res; ++j) { +// float x = -1.f + i * step; // calculate x coordinate +// float y = -1.f + j * step; // calculate y coordinate +// gridPoints.push_back(Eigen::Vector3f(x, y, 0.f)); // add point to grid +// } +// } +// std::vector<Eigen::Vector3f> verts; +// float step = 2.f / ((float) res); + +// for (int i = 0; i < res; ++i) { +// for (int j = 0; j < res; ++j) { +// float x = -1.f + i * step; // calculate x coordinate +// float y = -1.f + j * step; // calculate y coordinate +// Eigen::Vector3f bottomLeft = Eigen::Vector3f(x, y, 0.f); +// Eigen::Vector3f bottomRight = Eigen::Vector3f(x + step, y, 0.f); +// Eigen::Vector3f topRight = Eigen::Vector3f(x + step, y + step, 0.f); +// Eigen::Vector3f topLeft = Eigen::Vector3f(x, y + step, 0.f); +// verts.push_back(topLeft); +// verts.push_back(bottomLeft); +// verts.push_back(bottomRight); +// verts.push_back(topLeft); +// verts.push_back(bottomRight); +// verts.push_back(topRight); +// } +// } +// m_causticsShape.setVertices(verts); + std::vector<Eigen::Vector3f> verts; + std::vector<Eigen::Vector3i> faces; + float size = 2.f; + float step = size / ((float) res); + + for (int i = 0; i <= res; ++i) { + for (int j = 0; j <= res; ++j) { + float x = -(size / 2.f) + i * step; // calculate x coordinate + float y = -(size / 2.f) + j * step; // calculate y coordinate + Eigen::Vector3f bottomLeft = Eigen::Vector3f(x, y, 0.f); + verts.push_back(bottomLeft); + } + } + + for (int i = 0; i < res; ++i) { + for (int j = 0; j < res; ++j) { + int bottomLeft = i * (res + 1) + j; + int bottomRight = i * (res + 1) + j + 1; + int topRight = (i + 1) * (res + 1) + j + 1; + int topLeft = (i + 1) * (res + 1) + j; + faces.push_back(Eigen::Vector3i(topLeft, bottomLeft, bottomRight)); + faces.push_back(Eigen::Vector3i(topLeft, bottomRight, topRight)); + faces.push_back(Eigen::Vector3i(bottomRight, bottomLeft, topLeft)); + faces.push_back(Eigen::Vector3i(topRight, bottomRight, topLeft)); + } + } + m_causticsShape.init(verts, faces); + m_causticsShape.setColor(0.27f, .803f, .96f); +} + |