X-Git-Url: https://git.dogcows.com/gitweb?p=chaz%2Fyoink;a=blobdiff_plain;f=src%2FMoof%2FCamera.cc;fp=src%2FMoof%2FCamera.cc;h=26e24ba358fbfd7494517a66409e75c5150f8b59;hp=0000000000000000000000000000000000000000;hb=29e3d45f7bbbf31eadf793c41ff2b3d9c47b7539;hpb=16d1a05b0777e97a45c48e2874aa4e5cc791282e

diff --git a/src/Moof/Camera.cc b/src/Moof/Camera.cc
new file mode 100644
index 0000000..26e24ba
--- /dev/null
+++ b/src/Moof/Camera.cc
@@ -0,0 +1,166 @@
+
+/*******************************************************************************
+
+ Copyright (c) 2009, Charles McGarvey
+ All rights reserved.
+ 
+ Redistribution   and   use  in  source  and  binary  forms,  with  or  without
+ modification, are permitted provided that the following conditions are met:
+ 
+   * Redistributions  of  source  code  must retain the above copyright notice,
+     this list of conditions and the following disclaimer.
+   * Redistributions  in binary form must reproduce the above copyright notice,
+     this  list of conditions and the following disclaimer in the documentation
+     and/or other materials provided with the distribution.
+ 
+ THIS  SOFTWARE  IS  PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ AND  ANY  EXPRESS  OR  IMPLIED  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ DISCLAIMED.  IN  NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+ FOR  ANY  DIRECT,  INDIRECT,  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ DAMAGES  (INCLUDING,  BUT  NOT  LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ SERVICES;  LOSS  OF  USE,  DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ CAUSED  AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ OR  TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+*******************************************************************************/
+
+#include <iostream>
+#include <Moof/Camera.hh>
+
+
+namespace Mf {
+
+
+void Camera::setPosition(const Vector3& point)
+{
+	//position_ = point;
+	Vector3 coeff[2] = {position_, point};
+	pInterp_.init(coeff, 0.1);
+}
+void Camera::setRotation(const Quaternion& rotation)
+{
+	rotation_ = rotation;
+	//srcRotation_ = rotation_;
+	//dstRotation_ = rotation;
+	//tInterp_ = 0.0;
+}
+
+void Camera::update(Scalar t, Scalar dt)
+{
+	pInterp_.update(dt);
+	position_ = pInterp_.getState(0.0);
+
+	//tInterp_ += dt * 10.0;
+	//rotation_ = cml::slerp(srcRotation_, dstRotation_, cml::clamp(tInterp_, 0.0, 1.0));
+	//rotation_.normalize();
+
+	calculateSecondary();
+}
+
+
+void Camera::lookAt(const Vector3& point)
+{
+	quaternion_rotation_aim_at(rotation_, position_, point);
+}
+
+void Camera::adjustFromInput(const Event& event)
+{
+	switch (event.type)
+	{
+		case SDL_KEYDOWN:
+			if (event.key.keysym.sym == SDLK_RIGHT ||
+					event.key.keysym.sym == SDLK_d)
+			{
+				Vector3 vec = position_;
+				vec[0] -= 50.0;
+				setPosition(vec);
+			}
+			else if (event.key.keysym.sym == SDLK_LEFT ||
+					event.key.keysym.sym == SDLK_a)
+			{
+				Vector3 vec = position_;
+				vec[0] += 50.0;
+				setPosition(vec);
+			}
+			else if (event.key.keysym.sym == SDLK_UP ||
+					event.key.keysym.sym == SDLK_w)
+			{
+				Vector3 vec = position_;
+				vec[1] -= 50.0;
+				setPosition(vec);
+			}
+			else if (event.key.keysym.sym == SDLK_DOWN ||
+					event.key.keysym.sym == SDLK_s)
+			{
+				Vector3 vec = position_;
+				vec[1] += 50.0;
+				setPosition(vec);
+			}
+			else if (event.key.keysym.sym == SDLK_PAGEUP)
+			{
+				Vector3 vec = position_;
+				vec[2] += 50.0;
+				setPosition(vec);
+			}
+			else if (event.key.keysym.sym == SDLK_PAGEDOWN)
+			{
+				//position_[2] -= 50.0;
+				Vector3 vec = position_;
+				vec[2] -= 50.0;
+				setPosition(vec);
+			}
+			break;
+
+		case SDL_MOUSEMOTION:
+			{
+			Scalar xrel = cml::rad(Scalar(event.motion.xrel) / 5.0);
+			Scalar yrel = cml::rad(Scalar(event.motion.yrel) / 5.0);
+
+			Quaternion rotation = rotation_;
+
+			quaternion_rotate_about_world_x(rotation, yrel);
+			//rotation_.normalize();
+			quaternion_rotate_about_world_y(rotation, xrel);
+			rotation.normalize();
+
+			setRotation(rotation);
+			break;
+			}
+
+		case SDL_MOUSEBUTTONDOWN:
+			if (event.button.button == SDL_BUTTON_WHEELUP)
+			{
+				Vector3 vec = position_;
+				vec[2] += 50.0;
+				setPosition(vec);
+			}
+			else if (event.button.button == SDL_BUTTON_WHEELDOWN)
+			{
+				Vector3 vec = position_;
+				vec[2] -= 50.0;
+				setPosition(vec);
+			}
+			break;
+	}
+
+	calculateSecondary();
+}
+
+void Camera::calculateSecondary()
+{
+	matrix_rotation_quaternion(transformation_, rotation_);
+
+	Matrix4 translate;
+	matrix_translation(translate, position_);
+
+	//transformation_ = translate * transformation_;
+	transformation_ *= translate;
+}
+
+
+} // namespace Mf
+
+/** vim: set ts=4 sw=4 tw=80: *************************************************/
+