Morph-SynRJ

view trans_puzzle.cxx @ 0:22de913c2d84

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morph-synrj intro
author "Cedric Pinson <cedric.pinson@alcove.fr> <mornifle@plopbyte.net>"
date Tue Nov 27 15:23:52 2007 +0100 (2007-11-27)
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1 #include "trans_puzzle.h"
2 #include "gl_header.h"
3 #include "cmn_intro.h"
4 #include "cmn_texture.h"
5
6
7
8
9
10
11
12 void transPuzzle_t::Init(int _xsection,int _ysection)
13 {
14 internalTime=0;
15 texture[0]=txtCreateEmptyTexture(1024,1024);
16 texture[1]=txtCreateEmptyTexture(1024,1024);
17
18 nbElements=_xsection*_ysection;
19 resY=_ysection;
20 resX=_xsection;
21
22
23 elements=new transPuzzleElement_t[nbElements];
24
25 float divx=RX*1.0/1024/resX;
26 float divy=RY*1.0/1024/resY;
27
28 const float SizeX=1.5*800.0/600/resX;
29 const float SizeY=SizeX;
30 const float TimeStep=0.5/nbElements;
31 const float MaxDist=mth::Sqrt(1.0*(resY*resY+resX*resX));
32
33 int i,j;
34 for (j=0;j<resY;j++)
35 for (i=0;i<resX;i++) {
36 elements[i+j*resX].position.Init(i*SizeX-resX*SizeX/2+SizeX/2,j*SizeY-resY*SizeY/2+SizeY/2,0);
37 elements[i+j*resX].size[0]=SizeX*1.0/2;
38 elements[i+j*resX].size[1]=SizeY*1.0/2;
39 elements[i+j*resX].uvs.Init(i*divx,j*divy);
40 elements[i+j*resX].uvsVec.Init(divx,divy);
41 elements[i+j*resX].angle=0;
42 // elements[i+j*resX].start=TimeStep*(i+j*resX);
43 elements[i+j*resX].start=0.5*mth::Sqrt(1.0*(i*i+j*j))/MaxDist;
44 elements[i+j*resX].rotation.Init(0,1,0);
45 }
46
47
48 started=false;
49 }
50
51
52 void transPuzzle_t::GetBuffer1()
53 {
54 CopyBackBufferToTexture(texture[0],RX,RY);
55 //started=true;
56 }
57
58 void transPuzzle_t::GetBuffer2()
59 {
60 CopyBackBufferToTexture(texture[1],RX,RY);
61 //started=true;
62 }
63
64
65
66
67
68 void transPuzzleElement_t::Draw(bool reverse)
69 {
70
71 // cmnDisplayBackground(texture[0]);
72 // return ;
73
74 cmnPushMatrix();
75 glMatrixMode(GL_MODELVIEW);
76
77 glTranslatef(position[0],position[1],position[2]);
78 glRotatef(angle,rotation[0],rotation[1],rotation[2]);
79
80 glBegin(GL_QUADS);
81 if (reverse) {
82
83 glTexCoord2f(uvs[0]+uvsVec[0],uvs[1]+uvsVec[1]);
84 glVertex3f(-size[0],size[1],0);
85
86 glTexCoord2f(uvs[0],uvs[1]+uvsVec[1]);
87 glVertex3f(size[0],size[1],0);
88
89 glTexCoord2f(uvs[0],uvs[1]);
90 glVertex3f(size[0],-size[1],0);
91
92 glTexCoord2f(uvs[0]+uvsVec[0],uvs[1]);
93 glVertex3f(-size[0],-size[1],0);
94
95
96 } else {
97
98 glTexCoord2f(uvs[0],uvs[1]);
99 glVertex3f(-size[0],-size[1],0);
100
101 glTexCoord2f(uvs[0]+uvsVec[0],uvs[1]);
102 glVertex3f(size[0],-size[1],0);
103
104 glTexCoord2f(uvs[0]+uvsVec[0],uvs[1]+uvsVec[1]);
105 glVertex3f(size[0],size[1],0);
106
107 glTexCoord2f(uvs[0],uvs[1]+uvsVec[1]);
108 glVertex3f(-size[0],size[1],0);
109
110
111 }
112 glEnd();
113 cmnPopMatrix();
114 }
115
116
117 void transPuzzle_t::Draw()
118 {
119 int i;
120
121 cmnPushMatrix();
122 cmnSetFrustrum(90);
123 cmnSetCamera(mth::Vector3_t(0,0,1),mth::Vector3_t(0,0,0));
124 glMatrixMode(GL_MODELVIEW);
125 //glLoadIdentity();
126 glDisable(GL_BLEND);
127 glBlendFunc(GL_SRC_ALPHA,GL_ONE);
128 glDisable(GL_DEPTH_TEST);
129 glEnable(GL_CULL_FACE);
130 //glDisable(GL_CULL_FACE);
131 txtBindTexture2d(texture[0],0);
132 for (i=0;i<nbElements;i++)
133 elements[i].Draw();
134 txtBindTexture2d(texture[1],0);
135 for (i=0;i<nbElements;i++)
136 elements[i].Draw(true);
137 txtUnBindTexture2d(0);
138
139 cmnPopMatrix();
140 }
141
142
143 void transPuzzle_t::Update(float _time)
144 {
145 int i;
146 const float AngleAdd=360;
147 const float MaxAngle=180;
148
149 double dt=Timer->GetFrameTime();
150 internalTime+=dt;
151
152 for (i=0;i<nbElements;i++)
153 if (elements[i].start<=_time) {
154 elements[i].angle=AngleAdd*(_time-elements[i].start);
155 elements[i].angle=mth::Min(MaxAngle,elements[i].angle);
156 }
157 // elements[i].position+=mth::Vector3_t(0,0,-10)*Timer->GetFrameTime();
158
159 }