109 lines
3.1 KiB
Go
109 lines
3.1 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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screenWidth := int32(800)
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screenHeight := int32(450)
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raylib.InitWindow(screenWidth, screenHeight, "raylib [models] example - box collisions")
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camera := raylib.Camera{}
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camera.Position = raylib.NewVector3(10.0, 10.0, 10.0)
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camera.Target = raylib.NewVector3(0.0, 0.0, 0.0)
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camera.Up = raylib.NewVector3(0.0, 1.0, 0.0)
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camera.Fovy = 45.0
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playerPosition := raylib.NewVector3(0.0, 1.0, 2.0)
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playerSize := raylib.NewVector3(1.0, 2.0, 1.0)
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playerColor := raylib.Green
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enemyBoxPos := raylib.NewVector3(-4.0, 1.0, 0.0)
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enemyBoxSize := raylib.NewVector3(2.0, 2.0, 2.0)
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enemySpherePos := raylib.NewVector3(4.0, 0.0, 0.0)
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enemySphereSize := float32(1.5)
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collision := false
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raylib.SetTargetFPS(60)
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for !raylib.WindowShouldClose() {
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// Update
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// Move player
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if raylib.IsKeyDown(raylib.KeyRight) {
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playerPosition.X += 0.2
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} else if raylib.IsKeyDown(raylib.KeyLeft) {
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playerPosition.X -= 0.2
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} else if raylib.IsKeyDown(raylib.KeyDown) {
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playerPosition.Z += 0.2
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} else if raylib.IsKeyDown(raylib.KeyUp) {
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playerPosition.Z -= 0.2
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}
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collision = false
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// Check collisions player vs enemy-box
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if raylib.CheckCollisionBoxes(
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raylib.NewBoundingBox(
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raylib.NewVector3(playerPosition.X-playerSize.X/2, playerPosition.Y-playerSize.Y/2, playerPosition.Z-playerSize.Z/2),
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raylib.NewVector3(playerPosition.X+playerSize.X/2, playerPosition.Y+playerSize.Y/2, playerPosition.Z+playerSize.Z/2)),
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raylib.NewBoundingBox(
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raylib.NewVector3(enemyBoxPos.X-enemyBoxSize.X/2, enemyBoxPos.Y-enemyBoxSize.Y/2, enemyBoxPos.Z-enemyBoxSize.Z/2),
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raylib.NewVector3(enemyBoxPos.X+enemyBoxSize.X/2, enemyBoxPos.Y+enemyBoxSize.Y/2, enemyBoxPos.Z+enemyBoxSize.Z/2)),
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) {
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collision = true
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}
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// Check collisions player vs enemy-sphere
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if raylib.CheckCollisionBoxSphere(
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raylib.NewBoundingBox(
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raylib.NewVector3(playerPosition.X-playerSize.X/2, playerPosition.Y-playerSize.Y/2, playerPosition.Z-playerSize.Z/2),
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raylib.NewVector3(playerPosition.X+playerSize.X/2, playerPosition.Y+playerSize.Y/2, playerPosition.Z+playerSize.Z/2)),
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enemySpherePos,
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enemySphereSize,
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) {
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collision = true
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}
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if collision {
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playerColor = raylib.Red
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} else {
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playerColor = raylib.Green
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}
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// Draw
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raylib.BeginDrawing()
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raylib.ClearBackground(raylib.RayWhite)
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raylib.Begin3dMode(camera)
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// Draw enemy-box
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raylib.DrawCube(enemyBoxPos, enemyBoxSize.X, enemyBoxSize.Y, enemyBoxSize.Z, raylib.Gray)
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raylib.DrawCubeWires(enemyBoxPos, enemyBoxSize.X, enemyBoxSize.Y, enemyBoxSize.Z, raylib.DarkGray)
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// Draw enemy-sphere
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raylib.DrawSphere(enemySpherePos, enemySphereSize, raylib.Gray)
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raylib.DrawSphereWires(enemySpherePos, enemySphereSize, 16, 16, raylib.DarkGray)
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// Draw player
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raylib.DrawCubeV(playerPosition, playerSize, playerColor)
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raylib.DrawGrid(10, 1.0) // Draw a grid
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raylib.End3dMode()
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raylib.DrawText("Move player with cursors to collide", 220, 40, 20, raylib.Gray)
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raylib.DrawFPS(10, 10)
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raylib.EndDrawing()
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}
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raylib.CloseWindow()
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}
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