public void Point_should_be_outside_the_triangle_on_its_right()
{
var mesh = JMeshPhysicsMeshes.triangleMeshIdentity;
Vector3 point = new Vector3(1.25f, 0, 0.25f);
Assert.IsFalse(JMeshOverlap.IsPointInsideMesh(point, mesh));
}
public void Point_should_be_outside_the_triangle_since_the_horizontal_raycast_touches_a_single_vertex()
{
var mesh = meshA;
var point = new Vector3(mesh.EdgeVertices[1].x + 0.1f, 0, mesh.EdgeVertices[1].z);
Assert.IsFalse(JMeshOverlap.IsPointInsideMesh(point, mesh));
}
public void Point_should_be_inside_triangle()
{
var mesh = JMeshPhysicsMeshes.triangleMeshIdentity;
Vector3 point = new Vector3(0.5f, 0, 0.25f);
Assert.IsTrue(JMeshOverlap.IsPointInsideMesh(point, mesh));
Assert.IsTrue(JMeshOverlap.IsPointInsideMesh(new Vector3(1f, 0, 0), mesh));
}
public void Point_shold_be_inside_mesh_when_point_is_on_a_mesh_edge()
{
var mesh = JMeshPhysicsMeshes.squareMeshIdentity;
Assert.IsTrue(JMeshOverlap.IsPointInsideMesh(new Vector3(0.5f, 0, 0), mesh));
Assert.IsTrue(JMeshOverlap.IsPointInsideMesh(new Vector3(1f, 0, 0.5f), mesh));
Assert.IsTrue(JMeshOverlap.IsPointInsideMesh(new Vector3(0.5f, 0, 1), mesh));
Assert.IsTrue(JMeshOverlap.IsPointInsideMesh(new Vector3(0, 0, 0.5f), mesh));
}
public void Slopes_cross()
{
Assert.IsTrue(JMeshOverlap.LinesCross(Vector3.zero, new Vector3(3, 0, 2), new Vector3(2, 0, 3), new Vector3(3, 0, 0)));
Assert.IsTrue(JMeshOverlap.LinesCross(new Vector3(3, 0, 2), Vector3.zero, new Vector3(3, 0, 0), new Vector3(2, 0, 3)));
Assert.IsTrue(JMeshOverlap.LinesCross(Vector3.zero, new Vector3(3, 0, 0), new Vector3(1, 0, -1), new Vector3(2, 0, 0)));
Assert.IsTrue(JMeshOverlap.LinesCross(new Vector3(3, 0, 0), Vector3.zero, new Vector3(2, 0, 0), new Vector3(1, 0, -1)));
Assert.IsTrue(JMeshOverlap.LinesCross(Vector3.zero, new Vector3(0, 0, 2), new Vector3(-1, 0, 1), new Vector3(1, 0, 0)));
Assert.IsTrue(JMeshOverlap.LinesCross(new Vector3(0, 0, 2), Vector3.zero, new Vector3(1, 0, 0), new Vector3(-1, 0, 1)));
}
public void Point_should_be_inside_the_transformed_square_mesh()
{
var mesh = JMeshPhysicsMeshes.squareMeshIdentity;
var meshFrameInstance = JMesh.FromMeshAndTransform(mesh, Matrix4x4.TRS(
new Vector3(1, 0, 1),
Quaternion.Euler(Vector3.up * 45),
Vector3.one * 2
));
Assert.IsTrue(JMeshOverlap.IsPointInsideMesh(new Vector3(1.001f, 0, 1f), meshFrameInstance));
Assert.IsTrue(JMeshOverlap.IsPointInsideMesh(new Vector3(1f, 0, 1f), meshFrameInstance));
}
public void Point_shold_be_inside_mesh_when_point_is_exactly_on_a_mesh_edge_vertex()
{
var mesh = JMeshPhysicsMeshes.squareMeshIdentity;
var meshFrameInstance = JMesh.FromMeshAndTransform(mesh, Matrix4x4.TRS(
new Vector3(1, 0, 1),
Quaternion.Euler(Vector3.up * 45),
Vector3.one * 2
));
var instanceMesh = meshFrameInstance;
Assert.IsTrue(JMeshOverlap.IsPointInsideMesh(instanceMesh.EdgeVertices[0], meshFrameInstance));
Assert.IsTrue(JMeshOverlap.IsPointInsideMesh(instanceMesh.EdgeVertices[1], meshFrameInstance));
Assert.IsTrue(JMeshOverlap.IsPointInsideMesh(instanceMesh.EdgeVertices[2], meshFrameInstance));
Assert.IsTrue(JMeshOverlap.IsPointInsideMesh(instanceMesh.EdgeVertices[3], meshFrameInstance));
}
public void Slopes_should_not_cross()
{
Assert.IsFalse(JMeshOverlap.LinesCross(Vector3.zero, Vector3.right, new Vector3(0, 0, 1), new Vector3(1, 0, 1)));
Assert.IsFalse(JMeshOverlap.LinesCross(Vector3.right, Vector3.zero, new Vector3(1, 0, 1), new Vector3(0, 0, 1)));
Assert.IsFalse(JMeshOverlap.LinesCross(Vector3.zero, Vector3.forward, new Vector3(1, 0, 0), new Vector3(1, 0, 1)));
Assert.IsFalse(JMeshOverlap.LinesCross(Vector3.forward, Vector3.zero, new Vector3(1, 0, 1), new Vector3(1, 0, 0)));
Assert.IsFalse(JMeshOverlap.LinesCross(Vector3.zero, Vector3.one, new Vector3(-1.5f, 0, 1.5f), new Vector3(1.5f, 0, 1.5f)));
Assert.IsFalse(JMeshOverlap.LinesCross(Vector3.one, Vector3.zero, new Vector3(1.5f, 0, 1.5f), new Vector3(-1.5f, 0, 1.5f)));
Assert.IsFalse(JMeshOverlap.LinesCross(new Vector3(5, 0, 4), new Vector3(9, 0, 1), new Vector3(4, 0, 0), new Vector3(5, 0, 7)));
Assert.IsFalse(JMeshOverlap.LinesCross(new Vector3(4, 0, 0), new Vector3(5, 0, 7), new Vector3(5, 0, 4), new Vector3(9, 0, 1)));
Assert.IsFalse(JMeshOverlap.LinesCross(new Vector3(0, 0, 2), new Vector3(5, 0, 7), new Vector3(10, 0, 3), new Vector3(5, 0, 4)));
}
public void AABB_should_not_overlap_for_squares()
{
var mesh = squareMesh;
var rightOf = JMesh.FromMeshAndTransform(mesh, Matrix4x4.Translate(new Vector3(2, 0, 0)));
var above = JMesh.FromMeshAndTransform(mesh, Matrix4x4.Translate(new Vector3(0, 0, 2)));
var upperRight = JMesh.FromMeshAndTransform(mesh, Matrix4x4.Translate(new Vector3(2, 0, 2)));
var lowerRight = JMesh.FromMeshAndTransform(mesh, Matrix4x4.Translate(new Vector3(2, 0, -2)));
Assert.IsFalse(JMeshOverlap.AABBOverlap(mesh.AABB, rightOf.AABB));
Assert.IsFalse(JMeshOverlap.AABBOverlap(rightOf.AABB, mesh.AABB));
Assert.IsFalse(JMeshOverlap.AABBOverlap(mesh.AABB, above.AABB));
Assert.IsFalse(JMeshOverlap.AABBOverlap(above.AABB, mesh.AABB));
Assert.IsFalse(JMeshOverlap.AABBOverlap(mesh.AABB, upperRight.AABB));
Assert.IsFalse(JMeshOverlap.AABBOverlap(upperRight.AABB, mesh.AABB));
Assert.IsFalse(JMeshOverlap.AABBOverlap(mesh.AABB, lowerRight.AABB));
Assert.IsFalse(JMeshOverlap.AABBOverlap(lowerRight.AABB, mesh.AABB));
}
public void Meshes_should_overlap_when_a_smaller_mesh_is_completely_inside_a_larger_mesh()
{
Assert.IsTrue(JMeshOverlap.MeshesOverlap(meshA, meshC));
Assert.IsTrue(JMeshOverlap.MeshesOverlap(meshC, meshA));
}
public void Meshes_should_overlap_without_having_a_point_inside_the_other()
{
Assert.IsTrue(JMeshOverlap.MeshesOverlap(meshA, meshB));
}
public void Meshes_should_not_overlap()
{
Assert.IsFalse(JMeshOverlap.MeshesOverlap(meshA, JMesh.FromMeshAndTransform(meshB, Matrix4x4.Translate(new Vector3(10, 0, 0)))));
Assert.IsFalse(JMeshOverlap.MeshesOverlap(meshA, JMesh.FromMeshAndTransform(meshB, Matrix4x4.Translate(new Vector3(4, 0, 0)))));
}
