UnrealXR/raylib-go
2
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Merge pull request #420 from Hultan/master

Browse source 
Synced 3d camera splitscreen with raylib.com
This commit is contained in:
Milan Nikolic 2024-10-14 18:39:42 +02:00 • committed by GitHub
commit bf5ef18350
No known key found for this signature in database
GPG key ID: B5690EEEBB952194
1 changed files with 29 additions and 32 deletions
Download patch file Download diff file Expand all files Collapse all files

61
examples/core/3d_camera_splitscreen/main.go
View file

@ -7,7 +7,6 @@ import (
var ( var (
screenW = int32(800) screenW = int32(800)
screenH = int32(450) screenH = int32(450)
playerSize = float32(40)
cam1, cam2 rl.Camera3D cam1, cam2 rl.Camera3D
) )
@ -15,67 +14,63 @@ func main() {
rl.InitWindow(screenW, screenH, "raylib [core] example - 3d camera split screen") rl.InitWindow(screenW, screenH, "raylib [core] example - 3d camera split screen")
// Setup player 1 camera and screen
cam1.Fovy = 45 cam1.Fovy = 45
cam1.Up.Y = 1 cam1.Up.Y = 1
cam1.Target.Y = 1 cam1.Target.Y = 1
cam1.Position.Z = -3 cam1.Position.Z = -3
cam1.Position.Y = 0.5 cam1.Position.Y = 1
cam2 = cam1 // Setup player two camera and screen
cam1.Position.Z = 3 cam2.Fovy = 45
cam2.Up.Y = 1
cam2.Target.Y = 3
cam2.Position.X = -3
cam2.Position.Y = 3
screenCam1 := rl.LoadRenderTexture(screenW/2, screenH) screenCam1 := rl.LoadRenderTexture(screenW/2, screenH)
screenCam2 := rl.LoadRenderTexture(screenW/2, screenH) screenCam2 := rl.LoadRenderTexture(screenW/2, screenH)
splitScreenRec := rl.NewRectangle(0, 0, float32(screenCam1.Texture.Width), -float32(screenCam1.Texture.Height)) splitScreenRec := rl.NewRectangle(0, 0, float32(screenCam1.Texture.Width), -float32(screenCam1.Texture.Height))
count := 5 count := float32(5)
spacing := float32(4) spacing := float32(4)
rl.SetTargetFPS(60) rl.SetTargetFPS(60)
for !rl.WindowShouldClose() { for !rl.WindowShouldClose() {
// If anyone moves this frame, how far will they move based on the time
// since the last frame this moves things at 10 world units per second,
// regardless of the actual FPS
frameOffset := 10 * rl.GetFrameTime() frameOffset := 10 * rl.GetFrameTime()
// Move Player1 forward and backwards (no turning)
if rl.IsKeyDown(rl.KeyW) { if rl.IsKeyDown(rl.KeyW) {
cam1.Position.Z -= frameOffset
cam1.Target.Z -= frameOffset
} else if rl.IsKeyDown(rl.KeyS) {
cam1.Position.Z += frameOffset cam1.Position.Z += frameOffset
cam1.Target.Z += frameOffset cam1.Target.Z += frameOffset
} } else if rl.IsKeyDown(rl.KeyS) {
if rl.IsKeyDown(rl.KeyD) { cam1.Position.Z -= frameOffset
cam1.Position.X += frameOffset cam1.Target.Z -= frameOffset
cam1.Target.X += frameOffset
} else if rl.IsKeyDown(rl.KeyA) {
cam1.Position.X -= frameOffset
cam1.Target.X -= frameOffset
} }
// Move Player2 forward and backwards (no turning)
if rl.IsKeyDown(rl.KeyUp) { if rl.IsKeyDown(rl.KeyUp) {
cam2.Position.Z += frameOffset
cam2.Target.Z += frameOffset
} else if rl.IsKeyDown(rl.KeyDown) {
cam2.Position.Z -= frameOffset
cam2.Target.Z -= frameOffset
}
if rl.IsKeyDown(rl.KeyRight) {
cam2.Position.X -= frameOffset
cam2.Target.X -= frameOffset
} else if rl.IsKeyDown(rl.KeyLeft) {
cam2.Position.X += frameOffset cam2.Position.X += frameOffset
cam2.Target.X += frameOffset cam2.Target.X += frameOffset
} else if rl.IsKeyDown(rl.KeyDown) {
cam2.Position.X -= frameOffset
cam2.Target.X -= frameOffset
} }
// Draw Player1 view to the render texture
rl.BeginTextureMode(screenCam1) rl.BeginTextureMode(screenCam1)
rl.ClearBackground(rl.SkyBlue) rl.ClearBackground(rl.SkyBlue)
rl.BeginMode3D(cam1) rl.BeginMode3D(cam1)
rl.DrawPlane(rl.Vector3Zero(), rl.NewVector2(50, 50), rl.Beige) rl.DrawPlane(rl.Vector3Zero(), rl.NewVector2(50, 50), rl.Beige)
for x := -float32(count) * spacing; x <= float32(count)*spacing; x += spacing { for x := -count * spacing; x <= count*spacing; x += spacing {
for z := -float32(count) * spacing; z <= float32(count)*spacing; z += spacing { for z := -count * spacing; z <= count*spacing; z += spacing {
rl.DrawCube(rl.NewVector3(x-0.5, 1.5, z), 1, 1, 1, rl.Lime) rl.DrawCube(rl.NewVector3(x-0.5, 1.5, z), 1, 1, 1, rl.Lime)
rl.DrawCube(rl.NewVector3(x-0.5, 0.5, z), 0.25, 1, 0.25, rl.Brown) rl.DrawCube(rl.NewVector3(x-0.5, 0.5, z), 0.25, 1, 0.25, rl.Brown)
} }
@ -87,17 +82,18 @@ func main() {
rl.EndMode3D() rl.EndMode3D()
rl.DrawRectangle(0, 0, screenW/2, 40, rl.Fade(rl.RayWhite, 0.8)) rl.DrawRectangle(0, 0, screenW/2, 40, rl.Fade(rl.RayWhite, 0.8))
rl.DrawText("PLAYER 1 WASD KEYS", 10, 10, 20, rl.Maroon) rl.DrawText("PLAYER1: W/S to move", 10, 10, 20, rl.Maroon)
rl.EndTextureMode() rl.EndTextureMode()
// Draw Player2 view to the render texture
rl.BeginTextureMode(screenCam2) rl.BeginTextureMode(screenCam2)
rl.ClearBackground(rl.SkyBlue) rl.ClearBackground(rl.SkyBlue)
rl.BeginMode3D(cam2) rl.BeginMode3D(cam2)
rl.DrawPlane(rl.Vector3Zero(), rl.NewVector2(50, 50), rl.Beige) rl.DrawPlane(rl.Vector3Zero(), rl.NewVector2(50, 50), rl.Beige)
for x := -float32(count) * spacing; x <= float32(count)*spacing; x += spacing { for x := -count * spacing; x <= count*spacing; x += spacing {
for z := -float32(count) * spacing; z <= float32(count)*spacing; z += spacing { for z := -count * spacing; z <= count*spacing; z += spacing {
rl.DrawCube(rl.NewVector3(x, 1.5, z), 1, 1, 1, rl.Lime) rl.DrawCube(rl.NewVector3(x, 1.5, z), 1, 1, 1, rl.Lime)
rl.DrawCube(rl.NewVector3(x, 0.5, z), 0.25, 1, 0.25, rl.Brown) rl.DrawCube(rl.NewVector3(x, 0.5, z), 0.25, 1, 0.25, rl.Brown)
} }
@ -109,9 +105,10 @@ func main() {
rl.EndMode3D() rl.EndMode3D()
rl.DrawRectangle(0, 0, screenW/2, 40, rl.Fade(rl.RayWhite, 0.8)) rl.DrawRectangle(0, 0, screenW/2, 40, rl.Fade(rl.RayWhite, 0.8))
rl.DrawText("PLAYER 2 ARROW KEYS", 10, 10, 20, rl.Maroon) rl.DrawText("PLAYER2: UP/DOWN to move", 10, 10, 20, rl.Maroon)
rl.EndTextureMode() rl.EndTextureMode()
// Draw both views render textures to the screen side by side
rl.BeginDrawing() rl.BeginDrawing()
rl.ClearBackground(rl.Black) rl.ClearBackground(rl.Black)