Initial commit

rendering/camera2d.go

@@ -0,0 +1,18 @@
+package rendering
+
+import "github.com/manleydev/golang-game-framework/core"
+
+type Camera2D interface {
+	GetZoom() float64
+	SetZoom(float64)
+
+	GetOffset() core.Vector2
+	SetOffset(core.Vector2)
+
+	GetModifiers() Camera2DModifiers
+}
+
+type Camera2DModifiers struct {
+	Zoom   float64
+	Offset core.Vector2
+}

rendering/render2d.go

@@ -0,0 +1,21 @@
+package rendering
+
+import (
+	"github.com/manleydev/golang-game-framework/core"
+)
+
+type Renderer2D interface {
+	DrawTexture2D(DrawTexture2DInput) error
+
+	Draw() error
+	Update() error
+	Destroy()
+	SetCamera(*Camera2D) error
+}
+
+type DrawTexture2DInput struct {
+	Texture  Texture2D
+	Rect     core.Rect2D
+	Position core.Vector2
+	Rotation float64
+}

rendering/standard_camera2d.go

@@ -0,0 +1,37 @@
+package rendering
+
+import "github.com/manleydev/golang-game-framework/core"
+
+type StandardCamera2D struct {
+	zoom   float64
+	offset core.Vector2
+}
+
+func (camera *StandardCamera2D) GetZoom() float64 {
+	return camera.zoom
+}
+func (camera *StandardCamera2D) SetZoom(zoom float64) {
+	camera.zoom = zoom
+}
+
+func (camera *StandardCamera2D) GetOffset() core.Vector2 {
+	return camera.offset
+}
+func (camera *StandardCamera2D) SetOffset(offset core.Vector2) {
+	camera.offset = offset
+}
+
+func (camera *StandardCamera2D) GetModifiers() Camera2DModifiers {
+	return Camera2DModifiers{
+		Zoom:   camera.zoom,
+		Offset: camera.offset,
+	}
+}
+
+func NewStandardCamera() *Camera2D {
+	var camera Camera2D = &StandardCamera2D{
+		zoom:   1,
+		offset: core.Vector2{},
+	}
+	return &camera
+}

rendering/texture2d.go

@@ -0,0 +1,9 @@
+package rendering
+
+import "github.com/manleydev/golang-game-framework/core"
+
+type Texture2D interface {
+	Destroy()
+	GetCenter() core.Vector2
+	GetRect() core.Rect2D
+}