57 lines
1.5 KiB
Go
57 lines
1.5 KiB
Go
package main
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import (
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"github.com/gen2brain/raylib-go/raylib"
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)
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func main() {
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rl.InitWindow(800, 450, "raylib [core] example - 3d camera free")
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camera := rl.Camera3D{}
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camera.Position = rl.NewVector3(10.0, 10.0, 10.0)
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camera.Target = rl.NewVector3(0.0, 0.0, 0.0)
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camera.Up = rl.NewVector3(0.0, 1.0, 0.0)
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camera.Fovy = 45.0
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camera.Projection = rl.CameraPerspective
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cubePosition := rl.NewVector3(0.0, 0.0, 0.0)
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rl.SetCameraMode(camera, rl.CameraFree) // Set a free camera mode
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rl.SetTargetFPS(60)
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for !rl.WindowShouldClose() {
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rl.UpdateCamera(&camera) // Update camera
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if rl.IsKeyDown(rl.KeyZ) {
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camera.Target = rl.NewVector3(0.0, 0.0, 0.0)
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}
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rl.BeginDrawing()
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rl.ClearBackground(rl.RayWhite)
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rl.BeginMode3D(camera)
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rl.DrawCube(cubePosition, 2.0, 2.0, 2.0, rl.Red)
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rl.DrawCubeWires(cubePosition, 2.0, 2.0, 2.0, rl.Maroon)
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rl.DrawGrid(10, 1.0)
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rl.EndMode3D()
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rl.DrawRectangle(10, 10, 320, 133, rl.Fade(rl.SkyBlue, 0.5))
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rl.DrawRectangleLines(10, 10, 320, 133, rl.Blue)
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rl.DrawText("Free camera default controls:", 20, 20, 10, rl.Black)
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rl.DrawText("- Mouse Wheel to Zoom in-out", 40, 40, 10, rl.DarkGray)
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rl.DrawText("- Mouse Wheel Pressed to Pan", 40, 60, 10, rl.DarkGray)
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rl.DrawText("- Alt + Mouse Wheel Pressed to Rotate", 40, 80, 10, rl.DarkGray)
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rl.DrawText("- Alt + Ctrl + Mouse Wheel Pressed for Smooth Zoom", 40, 100, 10, rl.DarkGray)
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rl.DrawText("- Z to zoom to (0, 0, 0)", 40, 120, 10, rl.DarkGray)
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rl.EndDrawing()
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}
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rl.CloseWindow()
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}
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