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This commit is contained in:
Konstantin8105 2022-11-22 18:39:52 +03:00
parent 05e7c1f5e7
commit 2f5d911417
193 changed files with 5 additions and 104847 deletions
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80
examples/core/3d_picking/main.go
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@ -1,80 +0,0 @@
package main
import (
rl "github.com/gen2brain/raylib-go/raylib"
)
func main() {
screenWidth := int32(800)
screenHeight := int32(450)
rl.InitWindow(screenWidth, screenHeight, "raylib [core] example - 3d picking")
camera := rl.Camera3D{}
camera.Position = rl.NewVector3(10.0, 10.0, 10.0)
camera.Target = rl.NewVector3(0.0, 0.0, 0.0)
camera.Up = rl.NewVector3(0.0, 1.0, 0.0)
camera.Fovy = 45.0
camera.Projection = rl.CameraPerspective
cubePosition := rl.NewVector3(0.0, 1.0, 0.0)
cubeSize := rl.NewVector3(2.0, 2.0, 2.0)
var ray rl.Ray
var collision rl.RayCollision
rl.SetCameraMode(camera, rl.CameraFree) // Set a free camera mode
rl.SetTargetFPS(60)
for !rl.WindowShouldClose() {
rl.UpdateCamera(&camera) // Update camera
if rl.IsMouseButtonPressed(rl.MouseLeftButton) {
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.GetRayCollisionBox(ray, rl.NewBoundingBox(min, max))
} else {
collision.Hit = false
}
}
rl.BeginDrawing()
rl.ClearBackground(rl.RayWhite)
rl.BeginMode3D(camera)
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)
rl.DrawCubeWires(cubePosition, cubeSize.X+0.2, cubeSize.Y+0.2, cubeSize.Z+0.2, rl.Green)
} else {
rl.DrawCube(cubePosition, cubeSize.X, cubeSize.Y, cubeSize.Z, rl.Gray)
rl.DrawCubeWires(cubePosition, cubeSize.X, cubeSize.Y, cubeSize.Z, rl.DarkGray)
}
rl.DrawRay(ray, rl.Maroon)
rl.DrawGrid(10, 1.0)
rl.EndMode3D()
rl.DrawText("Try selecting the box with mouse!", 240, 10, 20, rl.DarkGray)
if collision.Hit {
rl.DrawText("BOX SELECTED", (screenWidth-rl.MeasureText("BOX SELECTED", 30))/2, int32(float32(screenHeight)*0.1), 30, rl.Green)
}
rl.DrawFPS(10, 10)
rl.EndDrawing()
}
rl.CloseWindow()
}