Dogcows Code - chaz/yoink/blob - src/Character.cc

   1
   2 /*******************************************************************************
   3
   4  Copyright (c) 2009, Charles McGarvey
   5  All rights reserved.
   6
   7  Redistribution   and   use  in  source  and  binary  forms,  with  or  without
   8  modification, are permitted provided that the following conditions are met:
   9
  10    * Redistributions  of  source  code  must retain the above copyright notice,
  11      this list of conditions and the following disclaimer.
  12    * Redistributions  in binary form must reproduce the above copyright notice,
  13      this  list of conditions and the following disclaimer in the documentation
  14      and/or other materials provided with the distribution.
  15
  16  THIS  SOFTWARE  IS  PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  17  AND  ANY  EXPRESS  OR  IMPLIED  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  18  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  19  DISCLAIMED.  IN  NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
  20  FOR  ANY  DIRECT,  INDIRECT,  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  21  DAMAGES  (INCLUDING,  BUT  NOT  LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  22  SERVICES;  LOSS  OF  USE,  DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
  23  CAUSED  AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  24  OR  TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  25  OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  26
  27 *******************************************************************************/
  28
  29 #include <iostream>
  30
  31 #include "Character.hh"
  32 #include "Log.hh"
  33
  34
  35 Character::Character(const std::string& name) :
  36         tilemap_(name),
  37         animation_(name)
  38 {
  39         current.mass = 1.0;
  40         current.inverseMass = 1.0 / current.mass;
  41
  42         // gravity
  43         current.force = Mf::Vector2(0.0, -120.0);
  44
  45         // starting position
  46         current.position = Mf::Vector2(64.0, 64.0);
  47         current.momentum = Mf::Vector2(0.0, 0.0);
  48         current.recalculate();
  49
  50         previous = current;
  51
  52         //updateContainers();
  53 }
  54
  55
  56 void Character::update(Mf::Scalar t, Mf::Scalar dt)
  57 {
  58         previous = current;
  59
  60         Mf::Vector2 x = current.position - Mf::Vector2(500.0, 200.0);
  61         Mf::Scalar mag = x.length();
  62         Mf::Scalar d = 50.0;
  63
  64         current.force = Mf::Vector2(0.0, -2000.0);
  65         //current.force += -15.0 * x - 1.5 * current.velocity;
  66         current.force += -20.0 * (mag - d) * (x / mag) - 2.0 * current.velocity;
  67         current.force += userForce;
  68         current.recalculate();
  69         //std::cout << "force: " << current.momentum << std::endl;
  70
  71         Mf::integrate<State,Derivative>(current, t, dt);
  72
  73         animation_.update(t, dt);
  74
  75         //updateContainers();
  76 }
  77
  78 //void Character::updateContainers()
  79 //{
  80         //aabb_.init(Mf::Vector3(current.position[0]-16.0, current.position[1]-16.0, z),
  81                         //Mf::Vector3(current.position[0]+16.0, current.position[1]+16.0, z));
  82         //sphere_.point = Mf::Vector3(current.position[0], current.position[1], z);
  83         //sphere_.radius = (aabb_.min - sphere_.point).length();
  84 //}
  85
  86
  87 void Character::draw(Mf::Scalar alpha) const
  88 {
  89         State state = cml::lerp(previous, current, alpha);
  90
  91         //glColor3f(1.0f, 1.0f, 1.0f);
  92         tilemap_.bind();
  93
  94         Mf::Tilemap::Index frame = animation_.getFrame();
  95
  96         Mf::Tilemap::Orientation orientation = Mf::Tilemap::NORMAL;
  97
  98         if (current.velocity[0] < 0.0) orientation = Mf::Tilemap::REVERSE;
  99
 100         Mf::Scalar coords[8];
 101         tilemap_.getTileCoords(frame, coords, orientation);
 102
 103         Mf::Scalar s = 16.0;
 104
 105         glBegin(GL_TRIANGLE_FAN);
 106                 glTexCoord2f(coords[0], coords[1]);
 107                 glVertex3(state.position[0]-s, state.position[1]-s, z);
 108                 glTexCoord2f(coords[2], coords[3]);
 109                 glVertex3(state.position[0]+s, state.position[1]-s, z);
 110                 glTexCoord2f(coords[4], coords[5]);
 111                 glVertex3(state.position[0]+s, state.position[1]+s, z);
 112                 glTexCoord2f(coords[6], coords[7]);
 113                 glVertex3(state.position[0]-s, state.position[1]+s, z);
 114         glEnd();
 115
 116         //glColor3f(0.0f, 0.0f, 0.0f);
 117         Mf::Texture::resetBind();
 118
 119         glBegin(GL_TRIANGLES);
 120                 glVertex3(480.0, 190.0, 64.0);
 121                 glVertex3(520.0, 190.0, 64.0);
 122                 glVertex3(500.0, 210.0, 64.0);
 123         glEnd();
 124
 125         //glColor3f(1.0f, 1.0f, 1.0f);
 126 }
 127
 128
 129 Mf::Tilemap& Character::getTilemap()
 130 {
 131         return tilemap_;
 132 }
 133
 134 Mf::Animation& Character::getAnimation()
 135 {
 136         return animation_;
 137 }
 138
 139
 140 /** vim: set ts=4 sw=4 tw=80: *************************************************/
 141