diff --git a/raylib/camera.go b/raylib/camera.go
index b098038..419c431 100644
--- a/raylib/camera.go
+++ b/raylib/camera.go
@@ -12,11 +12,11 @@ type CameraMode int32
 
 // Camera system modes
 const (
-	CameraCustom      CameraMode = C.CAMERA_CUSTOM
-	CameraFree        CameraMode = C.CAMERA_FREE
-	CameraOrbital     CameraMode = C.CAMERA_ORBITAL
-	CameraFirstPerson CameraMode = C.CAMERA_FIRST_PERSON
-	CameraThirdPerson CameraMode = C.CAMERA_THIRD_PERSON
+	CameraCustom CameraMode = iota
+	CameraFree
+	CameraOrbital
+	CameraFirstPerson
+	CameraThirdPerson
 )
 
 // SetCameraMode - Set camera mode (multiple camera modes available)
diff --git a/raylib/gestures.go b/raylib/gestures.go
index c1a137f..0742751 100644
--- a/raylib/gestures.go
+++ b/raylib/gestures.go
@@ -12,17 +12,17 @@ type Gestures int32
 // Gestures types
 // NOTE: It could be used as flags to enable only some gestures
 const (
-	GestureNone       Gestures = C.GESTURE_NONE
-	GestureTap        Gestures = C.GESTURE_TAP
-	GestureDoubletap  Gestures = C.GESTURE_DOUBLETAP
-	GestureHold       Gestures = C.GESTURE_HOLD
-	GestureDrag       Gestures = C.GESTURE_DRAG
-	GestureSwipeRight Gestures = C.GESTURE_SWIPE_RIGHT
-	GestureSwipeLeft  Gestures = C.GESTURE_SWIPE_LEFT
-	GestureSwipeUp    Gestures = C.GESTURE_SWIPE_UP
-	GestureSwipeDown  Gestures = C.GESTURE_SWIPE_DOWN
-	GesturePinchIn    Gestures = C.GESTURE_PINCH_IN
-	GesturePinchOut   Gestures = C.GESTURE_PINCH_OUT
+	GestureNone       Gestures = 0
+	GestureTap        Gestures = 1
+	GestureDoubletap  Gestures = 2
+	GestureHold       Gestures = 4
+	GestureDrag       Gestures = 8
+	GestureSwipeRight Gestures = 16
+	GestureSwipeLeft  Gestures = 32
+	GestureSwipeUp    Gestures = 64
+	GestureSwipeDown  Gestures = 128
+	GesturePinchIn    Gestures = 256
+	GesturePinchOut   Gestures = 512
 )
 
 // SetGesturesEnabled - Enable a set of gestures using flags
diff --git a/raylib/shaders.go b/raylib/shaders.go
index feee45a..ae36c2c 100644
--- a/raylib/shaders.go
+++ b/raylib/shaders.go
@@ -67,9 +67,9 @@ type BlendMode int32
 
 // Color blending modes (pre-defined)
 const (
-	BlendAlpha      BlendMode = C.BLEND_ALPHA
-	BlendAdditive   BlendMode = C.BLEND_ADDITIVE
-	BlendMultiplied BlendMode = C.BLEND_MULTIPLIED
+	BlendAlpha BlendMode = iota
+	BlendAdditive
+	BlendMultiplied
 )
 
 // Shader type (generic shader)
diff --git a/raylib/textures.go b/raylib/textures.go
index b7b5261..05c23bc 100644
--- a/raylib/textures.go
+++ b/raylib/textures.go
@@ -18,41 +18,41 @@ type TextureFormat int32
 // NOTE: Support depends on OpenGL version and platform
 const (
 	// 8 bit per pixel (no alpha)
-	UncompressedGrayscale TextureFormat = C.UNCOMPRESSED_GRAYSCALE
+	UncompressedGrayscale TextureFormat = iota + 1
 	// 16 bpp (2 channels)
-	UncompressedGrayAlpha TextureFormat = C.UNCOMPRESSED_GRAY_ALPHA
+	UncompressedGrayAlpha
 	// 16 bpp
-	UncompressedR5g6b5 TextureFormat = C.UNCOMPRESSED_R5G6B5
+	UncompressedR5g6b5
 	// 24 bpp
-	UncompressedR8g8b8 TextureFormat = C.UNCOMPRESSED_R8G8B8
+	UncompressedR8g8b8
 	// 16 bpp (1 bit alpha)
-	UncompressedR5g5b5a1 TextureFormat = C.UNCOMPRESSED_R5G5B5A1
+	UncompressedR5g5b5a1
 	// 16 bpp (4 bit alpha)
-	UncompressedR4g4b4a4 TextureFormat = C.UNCOMPRESSED_R4G4B4A4
+	UncompressedR4g4b4a4
 	// 32 bpp
-	UncompressedR8g8b8a8 TextureFormat = C.UNCOMPRESSED_R8G8B8A8
+	UncompressedR8g8b8a8
 	// 4 bpp (no alpha)
-	CompressedDxt1Rgb TextureFormat = C.COMPRESSED_DXT1_RGB
+	CompressedDxt1Rgb
 	// 4 bpp (1 bit alpha)
-	CompressedDxt1Rgba TextureFormat = C.COMPRESSED_DXT1_RGBA
+	CompressedDxt1Rgba
 	// 8 bpp
-	CompressedDxt3Rgba TextureFormat = C.COMPRESSED_DXT3_RGBA
+	CompressedDxt3Rgba
 	// 8 bpp
-	CompressedDxt5Rgba TextureFormat = C.COMPRESSED_DXT5_RGBA
+	CompressedDxt5Rgba
 	// 4 bpp
-	CompressedEtc1Rgb TextureFormat = C.COMPRESSED_ETC1_RGB
+	CompressedEtc1Rgb
 	// 4 bpp
-	CompressedEtc2Rgb TextureFormat = C.COMPRESSED_ETC2_RGB
+	CompressedEtc2Rgb
 	// 8 bpp
-	CompressedEtc2EacRgba TextureFormat = C.COMPRESSED_ETC2_EAC_RGBA
+	CompressedEtc2EacRgba
 	// 4 bpp
-	CompressedPvrtRgb TextureFormat = C.COMPRESSED_PVRT_RGB
+	CompressedPvrtRgb
 	// 4 bpp
-	CompressedPvrtRgba TextureFormat = C.COMPRESSED_PVRT_RGBA
+	CompressedPvrtRgba
 	// 8 bpp
-	CompressedAstc4x4Rgba TextureFormat = C.COMPRESSED_ASTC_4x4_RGBA
+	CompressedAstc4x4Rgba
 	// 2 bpp
-	CompressedAstc8x8Rgba TextureFormat = C.COMPRESSED_ASTC_8x8_RGBA
+	CompressedAstc8x8Rgba
 )
 
 // TextureFilterMode - Texture filter mode
@@ -63,17 +63,17 @@ type TextureFilterMode int32
 // NOTE 2: Filter is accordingly set for minification and magnification
 const (
 	// No filter, just pixel aproximation
-	FilterPoint TextureFilterMode = C.FILTER_POINT
+	FilterPoint TextureFilterMode = iota
 	// Linear filtering
-	FilterBilinear TextureFilterMode = C.FILTER_BILINEAR
+	FilterBilinear
 	// Trilinear filtering (linear with mipmaps)
-	FilterTrilinear TextureFilterMode = C.FILTER_TRILINEAR
+	FilterTrilinear
 	// Anisotropic filtering 4x
-	FilterAnisotropic4x TextureFilterMode = C.FILTER_ANISOTROPIC_4X
+	FilterAnisotropic4x
 	// Anisotropic filtering 8x
-	FilterAnisotropic8x TextureFilterMode = C.FILTER_ANISOTROPIC_8X
+	FilterAnisotropic8x
 	// Anisotropic filtering 16x
-	FilterAnisotropic16x TextureFilterMode = C.FILTER_ANISOTROPIC_16X
+	FilterAnisotropic16x
 )
 
 // TextureWrapMode - Texture wrap mode
@@ -81,9 +81,9 @@ type TextureWrapMode int32
 
 // Texture parameters: wrap mode
 const (
-	WrapRepeat TextureWrapMode = C.WRAP_REPEAT
-	WrapClamp  TextureWrapMode = C.WRAP_CLAMP
-	WrapMirror TextureWrapMode = C.WRAP_MIRROR
+	WrapRepeat TextureWrapMode = iota
+	WrapClamp
+	WrapMirror
 )
 
 // Image type, bpp always RGBA (32bit)