-/*******************************************************************************
-
- 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.
-
-*******************************************************************************/
+/*] Copyright (c) 2009-2010, Charles McGarvey [**************************
+**] All rights reserved.
+*
+* vi:ts=4 sw=4 tw=75
+*
+* Distributable under the terms and conditions of the 2-clause BSD license;
+* see the file COPYING for a complete text of the license.
+*
+**************************************************************************/
+
+#include <iostream>
+
+#include <moof/log.hh>
#include "Character.hh"
+class SpringForce
+{
+public:
+
+ explicit SpringForce(moof::vector2 x) :
+ location(x) {}
+
+ const moof::vector2& operator () (const moof::linear_state<2>& state)
+ {
+ moof::vector2 x = state.position - location;
+ moof::scalar mag = x.length();
+ moof::scalar d = 0.0;
+
+ // spring:
+ //state_.force += -15.0 * x - 1.5 * state_.velocity;
+ force = SCALAR(-10.0) * (mag - d) * (x / mag);// - SCALAR(2.0) * state.velocity;
+
+ return force;
+ }
+
+private:
+
+ moof::vector2 force;
+ moof::vector2 location;
+};
+
+class ResistanceForce
+{
+public:
+
+ explicit ResistanceForce(moof::scalar scale = 1.0) :
+ k(scale) {}
+
+ const moof::vector2& operator () (const moof::linear_state<2>& state)
+ {
+ force = -k * state.velocity;
+ return force;
+ }
+
+private:
+
+ moof::vector2 force;
+ moof::scalar k;
+};
+
+
Character::Character(const std::string& name) :
- texture(name),
- anim(name) {}
+ tilemap(name),
+ animation(name)
+{
+ state_.init();
+
+ state_.mass = 1.0;
+ state_.inverse_mass = 1.0 / state_.mass;
-Character::~Character()
+ // forces
+ state_.force = moof::vector2(0.0, 0.0);
+ //state_.forces.push_back(SpringForce(moof::vector2(5.0, 4.0)));
+ state_.forces.push_back(ResistanceForce(2.0));
+ //state_.forces.push_back(moof::linear_state<2>::gravity_force(-9.8));
+
+ // starting position
+ state_.position = moof::vector2(5.0, 5.0);
+ state_.momentum = moof::vector2(1.0, 0.0);
+ state_.recalculate();
+
+ prev_state_ = state_;
+}
+
+
+void Character::update(moof::scalar t, moof::scalar dt)
{
- //delete texture;
- //delete anim;
+ moof::rigid_body2::update(t, dt); // update physics
+
+ animation.update(t, dt);
+
+ moof::vector3 center(state_.position[0], state_.position[1], 0.0);
+ moof::vector3 a(state_.position[0] - 0.5, state_.position[1] - 0.5, 0.0);
+ moof::vector3 b(state_.position[0] + 0.5, state_.position[1] + 0.5, 0.0);
+
+ aabb_.init(a, b);
+ sphere_.init(center, a);
+
+ int frame = animation.getFrame();
+ tilemap.tile(frame);
}
-void Character::draw(dc::scalar alpha) {}
+void Character::draw(moof::scalar alpha) const
+{
+ moof::state2 state = moof::rigid_body2::state(alpha);
+ const moof::vector2& position = state.position;
+
+ const moof::scalar s = 0.5;
+
+ moof::vector3 coords[4];
+
+ coords[0] = moof::vector3(position[0] - s, position[1] - s, SCALAR(0.0));
+ coords[1] = moof::vector3(position[0] + s, position[1] - s, SCALAR(0.0));
+ coords[2] = moof::vector3(position[0] + s, position[1] + s, SCALAR(0.0));
+ coords[3] = moof::vector3(position[0] - s, position[1] + s, SCALAR(0.0));
-dc::tilemap& Character::getTilemap()
+ tilemap.draw(coords);
+}
+
+
+/*int Character::getOctant(const moof::Aabb<3>& aabb) const
{
- return texture;
+ int octantNum = -1;
+
+ moof::plane::halfspace halfspace;
+
+ moof::plane xy = aabb.xy_plane();
+ halfspace = xy.intersects(sphere_);
+ if (halfspace == moof::plane::intersecting)
+ {
+ halfspace = xy.intersects(aabb_);
+ }
+
+ if (halfspace == moof::plane::positive)
+ {
+ moof::plane xz = aabb.xz_plane();
+ halfspace = xz.intersects(sphere_);
+ if (halfspace == moof::plane::intersecting)
+ {
+ halfspace = xz.intersects(aabb_);
+ }
+
+ if (halfspace == moof::plane::positive)
+ {
+ moof::plane yz = aabb.yz_plane();
+ halfspace = yz.intersects(sphere_);
+ if (halfspace == moof::plane::intersecting)
+ {
+ halfspace = yz.intersects(aabb_);
+ }
+
+ if (halfspace == moof::plane::positive)
+ {
+ octantNum = 2;
+ }
+ else if (halfspace == moof::plane::negative)
+ {
+ octantNum = 3;
+ }
+ }
+ else if (halfspace == moof::plane::negative)
+ {
+ moof::plane yz = aabb.yz_plane();
+ halfspace = yz.intersects(sphere_);
+ if (halfspace == moof::plane::intersecting)
+ {
+ halfspace = yz.intersects(aabb_);
+ }
+
+ if (halfspace == moof::plane::positive)
+ {
+ octantNum = 1;
+ }
+ else if (halfspace == moof::plane::negative)
+ {
+ octantNum = 0;
+ }
+ }
+ }
+ else if (halfspace == moof::plane::negative)
+ {
+ moof::plane xz = aabb.xz_plane();
+ halfspace = xz.intersects(sphere_);
+ if (halfspace == moof::plane::intersecting)
+ {
+ halfspace = xz.intersects(aabb_);
+ }
+
+ if (halfspace == moof::plane::positive)
+ {
+ moof::plane yz = aabb.yz_plane();
+ halfspace = yz.intersects(sphere_);
+ if (halfspace == moof::plane::intersecting)
+ {
+ halfspace = yz.intersects(aabb_);
+ }
+
+ if (halfspace == moof::plane::positive)
+ {
+ octantNum = 6;
+ }
+ else if (halfspace == moof::plane::negative)
+ {
+ octantNum = 7;
+ }
+ }
+ else if (halfspace == moof::plane::negative)
+ {
+ moof::plane yz = aabb.yz_plane();
+ halfspace = yz.intersects(sphere_);
+ if (halfspace == moof::plane::intersecting)
+ {
+ halfspace = yz.intersects(aabb_);
+ }
+
+ if (halfspace == moof::plane::positive)
+ {
+ octantNum = 5;
+ }
+ else if (halfspace == moof::plane::negative)
+ {
+ octantNum = 4;
+ }
+ }
+ }
+
+ return octantNum;
}
+*/
+
-dc::animation& Character::getAnimation()
+void Character::addImpulse(moof::vector2 impulse)
{
- return anim;
+ state_.momentum += impulse;
}
+void Character::addForce(moof::vector2 force)
+{
+ state_.force += force;
+}
-/** vim: set ts=4 sw=4 tw=80: *************************************************/
+void Character::setPosition(moof::vector2 position)
+{
+ state_.position = position;
+}
projects / chaz / yoink / blobdiff