X-Git-Url: http://git.localhorst.tv/?a=blobdiff_plain;f=src%2Fgraphics%2Fviewport.cpp;h=6137eb2620d6f463445f45f80091088f62beb5ea;hb=dd8b3145a03ed676b0ae6311c29fc3d68f666b15;hp=636f3c35c1015f9cc9612ef9d62c4f592d740692;hpb=76b630bd0a147bf7c78d3380237c86b9bfc48530;p=blobs.git

diff --git a/src/graphics/viewport.cpp b/src/graphics/viewport.cpp
index 636f3c3..6137eb2 100644
--- a/src/graphics/viewport.cpp
+++ b/src/graphics/viewport.cpp
@@ -1,11 +1,15 @@
 #include "Camera.hpp"
 #include "Viewport.hpp"
 
-#include "../const.hpp"
+#include "../creature/Creature.hpp"
+#include "../math/const.hpp"
 #include "../world/Body.hpp"
+#include "../world/Planet.hpp"
 
 #include <cmath>
 #include <GL/glew.h>
+#include <glm/gtx/euler_angles.hpp>
+#include <glm/gtx/rotate_vector.hpp>
 #include <glm/gtx/transform.hpp>
 
 
@@ -66,8 +70,7 @@ Camera &Camera::FirstPerson(int srf, const glm::vec3 &pos, const glm::vec3 &at)
 	position[(srf + 1) % 3] = pos.y;
 	position[(srf + 2) % 3] = dir * (pos.z + Reference().Radius());
 
-	glm::vec3 up(0.0f);
-	up[(srf + 2) % 3] = dir;
+	glm::vec3 up(world::Planet::SurfaceNormal(srf));
 
 	glm::vec3 target;
 	target[(srf + 0) % 3] = at.x;
@@ -84,20 +87,15 @@ Camera &Camera::MapView(int srf, const glm::vec3 &pos, float roll) noexcept {
 
 	float dir = srf < 3 ? 1.0f : -1.0f;
 
-	glm::vec3 position;
-	position[(srf + 0) % 3] = pos.x;
-	position[(srf + 1) % 3] = pos.y;
-	position[(srf + 2) % 3] = dir * (pos.z + Reference().Radius());
-
 	glm::vec3 up(0.0f);
-	up[(srf + 0) % 3] = std::cos(roll);
-	up[(srf + 1) % 3] = std::sin(roll);
+	up[(srf + 0) % 3] = std::sin(roll);
+	up[(srf + 1) % 3] = std::cos(roll);
 	up[(srf + 2) % 3] = 0.0f;
 
-	glm::vec3 target = position;
+	glm::vec3 target = pos;
 	target[(srf + 2) % 3] -= dir;
 
-	view = glm::lookAt(position, target, up);
+	view = glm::lookAt(pos, target, up);
 
 	return *this;
 }
@@ -108,6 +106,44 @@ Camera &Camera::Orbital(const glm::vec3 &pos) noexcept {
 	return *this;
 }
 
+Camera &Camera::TopDown(const creature::Creature &c, double distance, double roll) {
+	const creature::Situation &s = c.GetSituation();
+	if (s.OnSurface()) {
+		int srf = s.Surface();
+		glm::vec3 pos(s.Position() + (world::Planet::SurfaceNormal(srf) * distance));
+		Reference(s.GetPlanet());
+		return MapView(srf, pos, roll);
+	} else {
+		glm::vec3 pos(s.Position());
+		pos += glm::normalize(pos) * float(distance);
+		return Orbital(pos);
+	}
+}
+
+Camera &Camera::Radial(const creature::Creature &c, double distance, const glm::dvec3 &angle) {
+	const creature::Situation &s = c.GetSituation();
+	glm::dvec3 pos(s.Position());
+	glm::dvec3 up(0.0);
+	glm::dvec3 dir(0.0, 0.0, -distance);
+	if (s.OnSurface()) {
+		Reference(s.GetPlanet());
+		track_orient = true;
+		int srf = s.Surface();
+		up = world::Planet::SurfaceNormal(srf);
+		dir =
+			world::Planet::SurfaceOrientation(srf)
+			* glm::dmat3(glm::eulerAngleYX(angle.y, -angle.x))
+			* dir;
+	} else {
+		up.y = 1.0;
+		dir = glm::dmat3(glm::eulerAngleYX(angle.y, -angle.x)) * dir;
+	}
+	pos += up * (c.Size() * 0.5);
+	up = glm::rotate(up, angle.z, glm::normalize(-dir));
+	view = glm::lookAt(pos - dir, pos, up);
+	return *this;
+}
+
 glm::mat4 Camera::Model(const world::Body &b) const noexcept {
 	if (&b == ref) {
 		return track_orient ? glm::mat4(1.0f) : glm::mat4(ref->LocalTransform());