X-Git-Url: http://git.tdb.fi/?p=libs%2Fgl.git;a=blobdiff_plain;f=source%2Ftransform.cpp;fp=source%2Ftransform.cpp;h=9660c2c43fd15a1ea0af01ba953462e36fc6cc67;hp=0000000000000000000000000000000000000000;hb=9e384cddaf641f25ce6714327e1b4fadfea4632d;hpb=8ed377139d48a6fc39eeed9f3494bbe41aed4107

diff --git a/source/transform.cpp b/source/transform.cpp
new file mode 100644
index 00000000..9660c2c4
--- /dev/null
+++ b/source/transform.cpp
@@ -0,0 +1,80 @@
+#include "transform.h"
+
+namespace Msp {
+namespace GL {
+
+Transform::Transform():
+	position(0.0f, 0.0f, 0.0f),
+	euler(Angle::zero(), Angle::zero(), Angle::zero()),
+	scale(1.0f, 1.0f, 1.0f)
+{ }
+
+void Transform::set_position(const Vector3 &p)
+{
+	position = p;
+}
+
+void Transform::set_euler(const AngleVector3 &e)
+{
+	euler = e;
+}
+
+void Transform::set_scale(const Vector3 &s)
+{
+	scale = s;
+}
+
+Matrix Transform::to_matrix() const
+{
+	Matrix result;
+	result.translate(position);
+	result.rotate(euler.z, Vector3(0.0f, 0.0f, 1.0f));
+	result.rotate(euler.y, Vector3(0.0f, 1.0f, 0.0f));
+	result.rotate(euler.x, Vector3(1.0f, 0.0f, 0.0f));
+	result.scale(scale);
+	return result;
+}
+
+
+Transform::Loader::Loader(Transform &t):
+	DataFile::ObjectLoader<Transform>(t)
+{
+	add("position", &Loader::position);
+	add("euler", &Loader::euler);
+	add("rotation", &Loader::rotation);
+	add("scale_uniform", &Loader::scale_uniform);
+	add("scale", &Loader::scale);
+}
+
+void Transform::Loader::position(float x, float y, float z)
+{
+	obj.position = Vector3(x, y, z);
+}
+
+void Transform::Loader::euler(float x, float y, float z)
+{
+	obj.euler = AngleVector3(Angle::from_degrees(x), Angle::from_degrees(y), Angle::from_degrees(z));
+}
+
+void Transform::Loader::rotation(float a, float x, float y, float z)
+{
+	Matrix matrix = Matrix::rotation(Angle::from_degrees(a), Vector3(x, y, z));
+	obj.euler.z = Geometry::atan2<float>(matrix(1, 0), matrix(0, 0));
+	matrix = Matrix::rotation(-obj.euler.z, Vector3(0.0f, 0.0f, 1.0f))*matrix;
+	obj.euler.y = Geometry::atan2<float>(matrix(2, 0), matrix(0, 0));
+	matrix = Matrix::rotation(-obj.euler.y, Vector3(0.0f, 1.0f, 0.0f))*matrix;
+	obj.euler.x = Geometry::atan2<float>(matrix(2, 1), matrix(1, 1));
+}
+
+void Transform::Loader::scale_uniform(float s)
+{
+	obj.scale = Vector3(s, s, s);
+}
+
+void Transform::Loader::scale(float x, float y, float z)
+{
+	obj.scale = Vector3(x, y, z);
+}
+
+} // namespace GL
+} // namespace Msp