TankCommander/Floor.cpp at main · robmichael93/TankCommander · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
#include "stdafx.h"
#include "Floor.h"

//---------------------------------------------------------------------
// Method: init
// Author: Eric Bachmann
// Function: Initializes the "checker board" floor xyz location.
//			    Initializes the "checker board" floor size.
//			    The floor is oriented in the the xz plane.
//			    Compiles a display list to be used when drawing the floor.
// Parameters:
//				x - x coordinate of the middle of the floor
//				y - y coordinate of the middle of the floor
//				z - z coordinate of the middle of the floor
//				sideLength - the length of the sides of the square board.
//
// Returns: None
// Called By:
// Calls: None
//---------------------------------------------------------------------

void Floor::init(float x, float y, float z, float sideLength)
{
	GLfloat v[3]={0};
	GLfloat board_spec[] = {0.25, 0.25, 0.25, 1.0};
	short color = 1;

	floorList = glGenLists(1);

	glNewList(floorList, GL_COMPILE);

	GLfloat tileWidth = sideLength / 8.0f;

	GLfloat tileX = x  - (4.0f * tileWidth);

	GLfloat tileZ = z + (4.0f * tileWidth);

	// define the two colors
	GLfloat color1[3] = { 0.9f, 0.9f, 0.9f };
 	GLfloat color2[3] = { 0.05f, 0.05f, 0.05f };

	glNormal3f(0.0, 1.0, 0.0);
	glMaterialfv(GL_FRONT, GL_SPECULAR, board_spec);

	for ( int j = 0 ; j < 8; j++ ) {

		glColor3fv( (color++)%2 ? color1 : color2 );

		for ( int i = 0 ; i < 8 ; i++ ) {

			glBegin (GL_POLYGON );

			glColor3fv( (color++)%2 ? color1 : color2 );

			v[0] = tileX;
			v[1] = y;
			v[2] = tileZ-tileWidth;
			glVertex3fv(v);

			v[0] = tileX;
			v[1] = y;
			v[2] = tileZ;
			glVertex3fv(v);
			tileX++;

			v[0] = tileX;
			v[1] = y;
			v[2] = tileZ;
			glVertex3fv(v);

			v[0] = tileX;
			v[1] = y;
			v[2] = tileZ-tileWidth;
			glVertex3fv(v);

			glEnd();
		} // end for


		tileX = x  - (4.0f * tileWidth);
		tileZ -= tileWidth;
	}

	glEndList();

} // end initFloor

//---------------------------------------------------------------------
// Method: draw
// Function: Draws a floor object with the size and location specified
//			 by the class data members.
// Parameters:
//			None
//
// Returns: Void
// Called By:
// Calls: None
//---------------------------------------------------------------------
void Floor::draw()
{
	glCallList(floorList);


} // end draw


// *********************** END FLOOR CLASS *****************************