organização de código

player.go

@@ -0,0 +1,117 @@
+package main
+
+import (
+	rl "github.com/gen2brain/raylib-go/raylib"
+)
+
+func (p *player) move(g *game) {
+
+	var moveSpeed float32
+	if p.focusMode {
+		moveSpeed = p.moveSpeed * p.focusSpeedDecrease
+	} else {
+		moveSpeed = p.moveSpeed
+	}
+
+	p.speed = rl.Vector2{X: 0, Y: 0}
+
+	if rl.IsKeyDown(rl.KeyW) {
+		p.speed.Y -= 1
+	}
+	if rl.IsKeyDown(rl.KeyS) {
+		p.speed.Y += 1
+	}
+	if rl.IsKeyDown(rl.KeyA) {
+		p.speed.X -= 1
+	}
+	if rl.IsKeyDown(rl.KeyD) {
+		p.speed.X += 1
+	}
+
+	if !(p.speed.X == 0 && p.speed.Y == 0) {
+		// jogador se move mais rapido na diagonal caso o contrario
+		p.speed = rl.Vector2Normalize(p.speed)
+		p.speed = rl.Vector2Scale(p.speed, moveSpeed)
+	}
+
+	result := rl.Vector2Add(p.pos, p.speed)
+
+	if result.Y-p.hitBoxRadius < 0 || result.Y+p.hitBoxRadius > float32(g.arenaHeight) {
+		p.speed.Y = 0
+	}
+	if result.X-p.hitBoxRadius < 0 || result.X+p.hitBoxRadius > float32(g.arenaWidth) {
+		p.speed.X = 0
+	}
+
+	p.pos = rl.Vector2Add(p.pos, p.speed)
+}
+
+func (p *player) shoot(g *game) {
+	if p.focusMode {
+		return
+	}
+
+	if int(g.frame)%3 != 0 {
+		return
+	}
+
+	if rl.IsMouseButtonDown(rl.MouseLeftButton) {
+		mouse := rl.GetMousePosition()
+		direction := rl.Vector2Subtract(mouse, p.pos)
+		direction = rl.Vector2Add(direction, p.speed)
+		direction = rl.Vector2Normalize(direction)
+		direction = rl.Vector2Scale(direction, p.bulletMoveSpeed)
+
+		g.bullets = append(g.bullets, &bullet{
+			pos:   p.pos,
+			size:  p.bulletSize,
+			speed: direction,
+			dmg:   1,
+			enemy: false,
+		})
+	}
+}
+
+func (p *player) checkHit(g *game) {
+	for _, bullet := range g.bullets {
+		if !bullet.enemy {
+			continue
+		}
+		distance := rl.Vector2Distance(p.pos, bullet.pos) - bullet.size
+
+		if distance < p.hitBoxRadius {
+			// fmt.Println("hit!")
+		}
+	}
+}
+
+func (p *player) checkFocus() {
+	// raylib não entende keybindings customizadas através do xmodmap?
+	p.focusMode = rl.IsKeyDown(rl.KeyLeftShift) || rl.IsKeyDown(rl.KeyRightShift)
+}
+
+func (p *player) update(g *game) {
+
+	p.checkFocus()
+
+	p.move(g)
+
+	p.shoot(g)
+
+	p.checkHit(g)
+
+	// hitbox
+	rl.DrawCircleV(p.pos, p.hitBoxRadius, rl.Red)
+
+	if p.focusMode {
+		return
+	}
+	// mira
+	mouse := rl.GetMousePosition()
+	inverted := rl.Vector2Subtract(p.pos, mouse)
+	inverted = rl.Vector2Negate(inverted)
+	inverted = rl.Vector2Normalize(inverted)
+	inverted = rl.Vector2Scale(inverted, 2000)
+	rl.DrawLineV(p.pos, rl.Vector2Add(mouse, inverted), rl.NewColor(255, 0, 0, 100))
+
+}