68 lines
1.9 KiB
Go
68 lines
1.9 KiB
Go
package main
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import (
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rl "github.com/gen2brain/raylib-go/raylib"
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)
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func main() {
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screenWidth := int32(800)
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screenHeight := int32(450)
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rl.InitWindow(screenWidth, screenHeight, "raylib [models] example - cubesmap loading and drawing")
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camera := rl.Camera{}
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camera.Position = rl.NewVector3(16.0, 14.0, 16.0)
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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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image := rl.LoadImage("cubicmap.png") // Load cubicmap image (RAM)
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cubicmap := rl.LoadTextureFromImage(image) // Convert image to texture to display (VRAM)
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mesh := rl.GenMeshCubicmap(*image, rl.NewVector3(1.0, 1.0, 1.0))
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model := rl.LoadModelFromMesh(mesh)
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// NOTE: By default each cube is mapped to one part of texture atlas
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texture := rl.LoadTexture("cubicmap_atlas.png") // Load map texture
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rl.SetMaterialTexture(model.Materials, rl.MapDiffuse, texture) // Set map diffuse texture
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mapPosition := rl.NewVector3(-16.0, 0.0, -8.0) // Set model position
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rl.UnloadImage(image) // Unload cubicmap image from RAM, already uploaded to VRAM
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rl.SetTargetFPS(60)
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for !rl.WindowShouldClose() {
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// Update
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rl.UpdateCamera(&camera, rl.CameraOrbital) // Update camera with orbital camera mode
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// Draw
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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.DrawModel(model, mapPosition, 1.0, rl.White)
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rl.EndMode3D()
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rl.DrawTextureEx(cubicmap, rl.NewVector2(float32(screenWidth-cubicmap.Width*4-20), 20), 0.0, 4.0, rl.White)
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rl.DrawRectangleLines(screenWidth-cubicmap.Width*4-20, 20, cubicmap.Width*4, cubicmap.Height*4, rl.Green)
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rl.DrawText("cubicmap image used to", 658, 90, 10, rl.Gray)
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rl.DrawText("generate map 3d model", 658, 104, 10, rl.Gray)
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rl.DrawFPS(10, 10)
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rl.EndDrawing()
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}
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rl.UnloadTexture(cubicmap) // Unload cubicmap texture
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rl.UnloadTexture(texture) // Unload map texture
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rl.UnloadModel(model) // Unload map model
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rl.CloseWindow()
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}
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