refactor

app/src/main/java/chess/view/DDDrender/shader/PieceShader.java

@@ -3,6 +3,8 @@ package chess.view.DDDrender.shader;
 import org.joml.Matrix4f;
 import org.joml.Vector3f;
 
+import chess.view.DDDrender.Camera;
+
 public class PieceShader extends ShaderProgram {
 
 	private static String vertexShader = """
@@ -12,7 +14,8 @@ public class PieceShader extends ShaderProgram {
 			layout(location = 1) in vec2 uv;
 			layout(location = 2) in vec3 normal;
 
-			uniform mat4 camMatrix;
+			uniform mat4 projectionMatrix;
+			uniform mat4 viewMatrix;
 			uniform mat4 modelTransform;
 			uniform vec3 lightPosition = vec3(0, 1, 0);
 
@@ -25,7 +28,7 @@ public class PieceShader extends ShaderProgram {
 				toLightVector = lightPosition - worldPos.xyz;
 				surfaceNormal = (modelTransform * vec4(normal, 0.0)).xyz;
 
-				gl_Position = camMatrix * worldPos;
+				gl_Position = projectionMatrix * viewMatrix * worldPos;
 			}
 				""";
 
@@ -53,7 +56,8 @@ public class PieceShader extends ShaderProgram {
 			}
 				""";
 
-	private int location_CamMatrix = 0;
+	private int location_ProjectionMatrix = 0;
+	private int location_ViewMatrix = 0;
 	private int location_ModelTransform = 0;
 	private int location_ModelColor = 0;
 
@@ -67,13 +71,15 @@ public class PieceShader extends ShaderProgram {
 
 	@Override
 	protected void GetAllUniformLocation() {
-		location_CamMatrix = GetUniformLocation("camMatrix");
+		location_ProjectionMatrix = GetUniformLocation("projectionMatrix");
+		location_ViewMatrix = GetUniformLocation("viewMatrix");
 		location_ModelTransform = GetUniformLocation("modelTransform");
 		location_ModelColor = GetUniformLocation("modelColor");
 	}
 
-	public void SetCamMatrix(Matrix4f mat) {
-		LoadMat4(location_CamMatrix, mat);
+	public void SetCamMatrix(Camera camera) {
+		LoadMat4(location_ProjectionMatrix, camera.getPerspectiveMatrix());
+		LoadMat4(location_ViewMatrix, camera.getViewMatrix());
 	}
 
 	public void setModelTransform(Matrix4f mat) {