Implement walk angle, Fix slide angle

src/kekengine/cpp/player/defaultplayercontroller.cpp

@@ -31,11 +31,19 @@ static bool castPlayer(glm::vec3 pos, glm::vec3 delta, const btCollisionObject *
 }
 
 bool DefaultPlayerController::checkPlayerGrounded() {
+	glm::vec3 groundDir = glm::vec3(0,-groundDistance,0);
+
 	glm::vec3 point;
 	glm::vec3 normal;
-	bool onGround = castPlayer(kekData.player->getPosition(), glm::vec3(0,-groundDistance,0), nullptr, nullptr, &point, &normal);
-	// TODO: angle check
-	return onGround;
+	bool onGround = castPlayer(kekData.player->getPosition(), groundDir, nullptr, nullptr, &point, &normal);
+	if(!onGround) return false;
+
+	normal = glm::normalize(normal);
+
+	float angle = 180.0f - glm::angle(normal, glm::normalize(groundDir)) / M_PI * 180.0f;
+	if(angle > maxWalkAngle) return false;
+
+	return true;
 }
 
 DefaultPlayerController::DefaultPlayerController() {
@@ -64,7 +72,7 @@ glm::vec3 DefaultPlayerController::move(glm::vec3 movement) {
 
 		totalMovement += movement * frac;
 
-		float angle = 90.0f - glm::angle(normal, glm::normalize(movement)) / M_PI * 90.0f;
+		float angle = 180.0f - glm::angle(normal, glm::normalize(movement)) / M_PI * 180.0f;
 		if(angle < minSlideAngle) break;
 
 		totalMovement += normal * 0.001f;

src/kekgame/cpp/kekgame.cpp

@@ -69,7 +69,7 @@ int main(int argc, char **argv) {
 		btCollisionShape *shape = new btBoxShape(btVector3(0.5,5,25));
 		wall->addPhysics(shape, 0, btCollisionObject::CF_STATIC_OBJECT);
 		wall->moveTo(glm::vec3(0,2.5,0));
-		wall->rotate(45.0f, glm::vec3(0,0,1));
+		wall->rotate(M_PI / 4, glm::vec3(0,0,1));
 		scene->addObject(wall);
 	}