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
|
local camera = -1
local sphereMesh = -1
local ray = { { 0.5, 0, 4 }, { 0.1, 0, -1 } }
local function setupWindow()
local monitor = 0
local mPos = RL_GetMonitorPosition( monitor )
local mSize = RL_GetMonitorSize( monitor )
local winSize = RL_GetWindowSize()
RL_SetWindowState( FLAG_WINDOW_RESIZABLE )
RL_SetWindowState( FLAG_VSYNC_HINT )
RL_SetWindowPosition( { mPos[1] + mSize[1] / 2 - winSize[1] / 2, mPos[2] + mSize[2] / 2 - winSize[2] / 2 } )
end
function ray_collision()
local rayCol = RL_GetRayCollisionMesh( ray, sphereMesh, RL_MatrixIdentity() )
if rayCol ~= nil and rayCol.hit then
print( "hit", rayCol.hit )
print( "distance", rayCol.distance )
print( "point", rayCol.point[1], rayCol.point[2], rayCol.point[3] )
print( "normal", rayCol.normal[1], rayCol.normal[2], rayCol.normal[3] )
end
end
function init()
setupWindow()
camera = RL_CreateCamera3D()
RL_SetCamera3DPosition( camera, { 0, 2, 4 } )
RL_SetCamera3DTarget( camera, { 0, 0, 0 } )
RL_SetCamera3DUp( camera, { 0, 1, 0 } )
RL_SetCameraMode( camera, CAMERA_FREE )
sphereMesh = RL_GenMeshSphere( 1.0, 8, 10 )
ray_collision()
end
function process( delta )
if RL_IsMouseButtonPressed( 0 ) then
ray = RL_GetMouseRay( RL_GetMousePosition(), camera )
ray_collision()
end
end
function draw()
RL_ClearBackground( { 100, 150, 100 } )
RL_UpdateCamera3D( camera )
RL_BeginMode3D( camera )
RL_DrawGrid( 8, 1 )
RL_DrawRay( ray, { 255, 100, 100 } )
RL_DrawMesh( sphereMesh, 0, RL_MatrixIdentity() )
RL_EndMode3D()
end
|