UnrealXR/raylib-go
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Update examples

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This commit is contained in:
Milan Nikolic 2021-11-11 16:36:32 +01:00
parent 2013bc4628
commit 7b91ce25fb
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GPG key ID: 9229D0EAA3AA4E75
8 changed files with 32 additions and 36 deletions
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23
examples/core/3d_picking/main.go
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@ -1,7 +1,7 @@
package main
import (
"github.com/gen2brain/raylib-go/raylib"
rl "github.com/gen2brain/raylib-go/raylib"
)
func main() {
@ -21,8 +21,7 @@ func main() {
cubeSize := rl.NewVector3(2.0, 2.0, 2.0)
var ray rl.Ray
collision := false
var collision rl.RayCollision
rl.SetCameraMode(camera, rl.CameraFree) // Set a free camera mode
@ -32,12 +31,16 @@ func main() {
rl.UpdateCamera(&camera) // Update camera
if rl.IsMouseButtonPressed(rl.MouseLeftButton) {
ray = rl.GetMouseRay(rl.GetMousePosition(), camera)
if !collision.Hit {
ray = rl.GetMouseRay(rl.GetMousePosition(), camera)
// Check collision between ray and box
min := rl.NewVector3(cubePosition.X-cubeSize.X/2, cubePosition.Y-cubeSize.Y/2, cubePosition.Z-cubeSize.Z/2)
max := rl.NewVector3(cubePosition.X+cubeSize.X/2, cubePosition.Y+cubeSize.Y/2, cubePosition.Z+cubeSize.Z/2)
collision = rl.CheckCollisionRayBox(ray, rl.NewBoundingBox(min, max))
// Check collision between ray and box
min := rl.NewVector3(cubePosition.X-cubeSize.X/2, cubePosition.Y-cubeSize.Y/2, cubePosition.Z-cubeSize.Z/2)
max := rl.NewVector3(cubePosition.X+cubeSize.X/2, cubePosition.Y+cubeSize.Y/2, cubePosition.Z+cubeSize.Z/2)
collision = rl.GetRayCollisionBox(ray, rl.NewBoundingBox(min, max))
} else {
collision.Hit = false
}
}
rl.BeginDrawing()
@ -46,7 +49,7 @@ func main() {
rl.BeginMode3D(camera)
if collision {
if collision.Hit {
rl.DrawCube(cubePosition, cubeSize.X, cubeSize.Y, cubeSize.Z, rl.Red)
rl.DrawCubeWires(cubePosition, cubeSize.X, cubeSize.Y, cubeSize.Z, rl.Maroon)
@ -64,7 +67,7 @@ func main() {
rl.DrawText("Try selecting the box with mouse!", 240, 10, 20, rl.DarkGray)
if collision {
if collision.Hit {
rl.DrawText("BOX SELECTED", (screenWidth-rl.MeasureText("BOX SELECTED", 30))/2, int32(float32(screenHeight)*0.1), 30, rl.Green)
}