void can_project_and_scale_points() {
FrameBuffer fb(500, 500);
Vect v = Vect(0, 0, 100);
fb.projectAndScalePoint(v);
ASSERT_EQUAL_FLOAT(v.getX(), 250, 0.1);
ASSERT_EQUAL_FLOAT(v.getY(), 250, 0.1);
}
/**
* Test the modification function
*/
static void test_modifPoint() {
Point * p;
p = initPoint();
modifyPoint(p, 5., 4.);
ASSERT_EQUAL_FLOAT(p->x, 5);
ASSERT_EQUAL_FLOAT(p->y, 4);
destroyPoint(p);
}
void plot_translated_point() {
FrameBuffer fb(500, 500);
MeshPoint mp(0, 0, 50);
fb.addPoint(mp);
Vect::Translate(mp, -10, 0, 0);
fb.addPoint(mp);
fb.plotPoints("./imgs/fb_test_plot.jpg");
MeshPoint p0 = fb.getPoint(0);
MeshPoint p1 = fb.getPoint(1);
ASSERT_EQUAL_FLOAT(p0.getX(), 0, 0.00001);
ASSERT_EQUAL_FLOAT(p1.getX(), -10, 0.00001);
}
void can_project_micropolygon() {
MeshPoint mp1(-10, -10, 100);
MeshPoint mp2(10, -10, 100);
MeshPoint mp3(-10, 10, 100);
MeshPoint mp4(10, 10, 100);
MicroPolygon poly;
poly.a = mp1;
poly.b = mp2;
poly.c = mp3;
poly.d = mp4;
FrameBuffer fb(500, 500);
fb.projectMicroPolygon(poly);
ASSERT_EQUAL_FLOAT(poly.a.getX(), 206.699, 0.1);
ASSERT_EQUAL_FLOAT(poly.a.getY(), 206.699, 0.1);
ASSERT_EQUAL_FLOAT(poly.b.getX(), 293.301, 0.1);
ASSERT_EQUAL_FLOAT(poly.b.getY(), 206.699, 0.1);
ASSERT_EQUAL_FLOAT(poly.c.getX(), 206.699, 0.1);
ASSERT_EQUAL_FLOAT(poly.c.getY(), 293.301, 0.1);
ASSERT_EQUAL_FLOAT(poly.d.getX(), 293.301, 0.1);
ASSERT_EQUAL_FLOAT(poly.d.getY(), 293.301, 0.1);
}
void can_project_mesh_point() {
FrameBuffer fb(500, 500);
MeshPoint mp(0, 0, 100);
fb.projectAndScalePoint(mp);
ASSERT_EQUAL_FLOAT(mp.getX(), 250, 0.1);
ASSERT_EQUAL_FLOAT(mp.getY(), 250, 0.1);
MeshPoint mp2(-10, -10, 100);
fb.projectAndScalePoint(mp2);
ASSERT_EQUAL_FLOAT(mp2.getX(), 206.699, 0.1);
ASSERT_EQUAL_FLOAT(mp2.getY(), 206.699, 0.1);
}
/**
* Test the initialisation function
*/
static void test_initPoint() {
Point * p = initPoint();
ASSERT_EQUAL_FLOAT(p->x, 0);
ASSERT_EQUAL_FLOAT(p->y, 0);
destroyPoint(p);
}