diff options
| author | MatejaMaric <matejamaricz@gmail.com> | 2019-07-09 00:26:42 +0200 |
|---|---|---|
| committer | MatejaMaric <matejamaricz@gmail.com> | 2019-07-09 00:26:42 +0200 |
| commit | a7c9aeee1e68235af406e30654e4b2e5f0f7fda2 (patch) | |
| tree | 492e4860bf17d196b5a79a83004aec217e69cf1e /source/ObjModel.cpp | |
| download | erender-a7c9aeee1e68235af406e30654e4b2e5f0f7fda2.tar.gz erender-a7c9aeee1e68235af406e30654e4b2e5f0f7fda2.zip | |
First commit
Diffstat (limited to 'source/ObjModel.cpp')
| -rw-r--r-- | source/ObjModel.cpp | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/source/ObjModel.cpp b/source/ObjModel.cpp new file mode 100644 index 0000000..f23cfc3 --- /dev/null +++ b/source/ObjModel.cpp @@ -0,0 +1,93 @@ +#include "ObjModel.h"
+
+
+
+ObjModel::ObjModel() {}
+
+ObjModel::ObjModel(std::string fileName)
+{
+ int hlp = 0;
+ std::ifstream f(fileName);
+ std::string s0;
+ while (getline(f, s0)) {
+ std::stringstream ss0(s0);
+ std::string s1 = "";
+ ss0 >> s1;
+ if (s1.compare(0, s1.length(), "v") == 0) {
+ ss0 >> s1;
+ float x = std::stof(s1);
+ ss0 >> s1;
+ float y = std::stof(s1);
+ ss0 >> s1;
+ float z = std::stof(s1);
+ Vertice t(x, y, z, 1.0f, 0.0f, 0.0f);
+ vertices.push_back(t);
+ }
+ else if (s1.compare(0, s1.length(), "vn") == 0) {
+ ss0 >> s1;
+ float x = std::stof(s1);
+ ss0 >> s1;
+ float y = std::stof(s1);
+ ss0 >> s1;
+ float z = std::stof(s1);
+ Vector4f v(x, y, z, 0.0f);
+ normals.push_back(v);
+ }
+ else if (s1.compare(0, s1.length(), "vt") == 0) {
+ ss0 >> s1;
+ float u = std::stof(s1);
+ ss0 >> s1;
+ float v = std::stof(s1);
+ Texture_Coordinates kt;
+ kt.u = u; kt.v = v;
+ uvcoo.push_back(kt);
+ }
+ else if (s1.compare(0, s1.length(), "f") == 0) {
+ Triangle pt;
+ for (int i = 0; i < 3; i++) {
+ ss0 >> s1;
+ std::stringstream ss1(s1);
+ std::string s2;
+ for (int j = 0; std::getline(ss1, s2, '/'); j++) {
+ pt.p[i][j] = std::stoi(s2);
+ }
+ }
+ faces.push_back(pt);
+ }
+ }
+
+}
+
+ObjModel::ObjModel(const ObjModel& a)
+{
+ vertices = a.vertices;
+ uvcoo = a.uvcoo;
+ normals = a.normals;
+ faces = a.faces;
+}
+
+ObjModel ObjModel::multiplyMatrix(Matrix4f& a)
+{
+ ObjModel hlp = *this;
+ for (int i = 0; i < vertices.size(); i++)
+ {
+ hlp.vertices[i] = hlp.vertices[i].multiplyMatrix(a);
+ }
+ return hlp;
+}
+
+void ObjModel::divideW()
+{
+ for (int i = 0; i < vertices.size(); i++)
+ {
+ vertices[i] = vertices[i].divideW();
+ }
+}
+
+void ObjModel::screenspace(int width, int height)
+{
+ for (int i = 0; i < vertices.size(); i++)
+ {
+ vertices[i].screenspace(width, height);
+ }
+}
|