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
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
|
/*******************************************************************************************
*
* raylib example - procedural mesh generation
*
* This example has been created using raylib 1.8 (www.raylib.com)
* raylib is licensed under an unmodified zlib/libpng license (View raylib.h for details)
*
* Copyright (c) 2017 Ramon Santamaria (Ray San)
*
********************************************************************************************/
#include "raylib.h"
#if defined(PLATFORM_WEB)
#include <emscripten/emscripten.h>
#endif
#define NUM_MODELS 7 // We generate 7 parametric 3d shapes
//----------------------------------------------------------------------------------
// Global Variables Definition
//----------------------------------------------------------------------------------
int screenWidth = 800;
int screenHeight = 450;
Model models[NUM_MODELS];
// Define the camera to look into our 3d world
Camera camera = {{ 5.0f, 5.0f, 5.0f }, { 0.0f, 0.0f, 0.0f }, { 0.0f, 1.0f, 0.0f }, 45.0f };
// Model drawing position
Vector3 position = { 0.0f, 0.0f, 0.0f };
int currentModel = 0;
//----------------------------------------------------------------------------------
// Module Functions Declaration
//----------------------------------------------------------------------------------
void UpdateDrawFrame(void); // Update and Draw one frame
//----------------------------------------------------------------------------------
// Main Enry Point
//----------------------------------------------------------------------------------
int main()
{
// Initialization
//--------------------------------------------------------------------------------------
InitWindow(screenWidth, screenHeight, "raylib [models] example - mesh generation");
// We generate a checked image for texturing
Image checked = GenImageChecked(2, 2, 1, 1, RED, GREEN);
Texture2D texture = LoadTextureFromImage(checked);
UnloadImage(checked);
models[0] = LoadModelFromMesh(GenMeshPlane(2, 2, 5, 5));
models[1] = LoadModelFromMesh(GenMeshCube(2.0f, 1.0f, 2.0f));
models[2] = LoadModelFromMesh(GenMeshSphere(2, 32, 32));
models[3] = LoadModelFromMesh(GenMeshHemiSphere(2, 16, 16));
models[4] = LoadModelFromMesh(GenMeshCylinder(1, 2, 16));
models[5] = LoadModelFromMesh(GenMeshTorus(0.25f, 4.0f, 16, 32));
models[6] = LoadModelFromMesh(GenMeshKnot(1.0f, 2.0f, 16, 128));
// Set checked texture as default diffuse component for all models material
for (int i = 0; i < NUM_MODELS; i++) models[i].material.maps[MAP_DIFFUSE].texture = texture;
SetCameraMode(camera, CAMERA_ORBITAL); // Set a orbital camera mode
#if defined(PLATFORM_WEB)
emscripten_set_main_loop(UpdateDrawFrame, 0, 1);
#else
SetTargetFPS(60); // Set our game to run at 60 frames-per-second
//--------------------------------------------------------------------------------------
// Main game loop
while (!WindowShouldClose()) // Detect window close button or ESC key
{
UpdateDrawFrame();
}
#endif
// De-Initialization
//--------------------------------------------------------------------------------------
// Unload models data (GPU VRAM)
for (int i = 0; i < NUM_MODELS; i++) UnloadModel(models[i]);
CloseWindow(); // Close window and OpenGL context
//--------------------------------------------------------------------------------------
return 0;
}
//----------------------------------------------------------------------------------
// Module Functions Definition
//----------------------------------------------------------------------------------
void UpdateDrawFrame(void)
{
// Update
//----------------------------------------------------------------------------------
UpdateCamera(&camera); // Update internal camera and our camera
if (IsMouseButtonPressed(MOUSE_LEFT_BUTTON))
{
currentModel = (currentModel + 1)%NUM_MODELS; // Cycle between the textures
}
//----------------------------------------------------------------------------------
// Draw
//----------------------------------------------------------------------------------
BeginDrawing();
ClearBackground(RAYWHITE);
Begin3dMode(camera);
DrawModel(models[currentModel], position, 1.0f, WHITE);
DrawGrid(10, 1.0);
End3dMode();
DrawRectangle(30, 400, 310, 30, Fade(SKYBLUE, 0.5f));
DrawRectangleLines(30, 400, 310, 30, Fade(DARKBLUE, 0.5f));
DrawText("MOUSE LEFT BUTTON to CYCLE PROCEDURAL MODELS", 40, 410, 10, BLUE);
switch(currentModel)
{
case 0: DrawText("PLANE", 680, 10, 20, DARKBLUE); break;
case 1: DrawText("CUBE", 680, 10, 20, DARKBLUE); break;
case 2: DrawText("SPHERE", 680, 10, 20, DARKBLUE); break;
case 3: DrawText("HEMISPHERE", 640, 10, 20, DARKBLUE); break;
case 4: DrawText("CYLINDER", 680, 10, 20, DARKBLUE); break;
case 5: DrawText("TORUS", 680, 10, 20, DARKBLUE); break;
case 6: DrawText("KNOT", 680, 10, 20, DARKBLUE); break;
default: break;
}
EndDrawing();
//----------------------------------------------------------------------------------
}
|
