//************* // Marshal data //************* //Graphics var glContext = GRAPHICS.getContext(); //Time var time = TIME.getTime();//should be moved //Current camera var viewMatrix = GRAPHICS.getActiveCamera().getViewMatrix();//This should be part of a camera var projectionMatrix = GRAPHICS.getActiveCamera().getProjectionMatrix();//this should be part of a camera //This gameobject var VertexArray = aMesh.getVertexBuffer(); var shaderProgram = aMesh.getShader(); var texture = aMesh.getMainTexture(); //Model Scale var modelScale = aMesh.getGameObject().getTransform().getLocalScaleMatrix(); //Model Rotation var rotation = aMesh.getGameObject().getTransform().getLocalRotationMatrix(); //This transform var object2WorldMatrix = aMesh.getGameObject().getTransform().getWorldMatrix(); //Camera pos var cameraPosition = GRAPHICS.getActiveCamera().getGameObject().getTransform().getPosition(); //***************** // Set capabilities //***************** glContext.enable (glContext.DEPTH_TEST); glContext.enable (glContext.CULL_FACE); glContext.cullFace(glContext.BACK); glContext.enable (glContext.BLEND); glContext.blendEquation(glContext.FUNC_ADD); glContext.blendFunc( glContext.SRC_ALPHA, glContext.ONE_MINUS_SRC_ALPHA ); //******************** // Prepare vertex data //******************** glContext.bindBuffer( glContext.ARRAY_BUFFER, VertexArray ); glContext.vertexAttribPointer ( shaderProgram.vertexPositionAttribute, 3, //Pos size glContext.FLOAT, false, 4*(3+2+3), //stride is size of vertex format in bytes. 4 is float size, 3 pos, 2 uv 0 ); //UV attribute pointer glContext.vertexAttribPointer ( shaderProgram.uvAttribute, 2, //UV size glContext.FLOAT, false, 4*(3+2+3), //stride is size of vertex format in bytes. 4 is float size, 3 pos, 2 uv 4*3 ); //Normal attribute pointer glContext.vertexAttribPointer ( shaderProgram.normalAttribute, 3, //Normal size glContext.FLOAT, false, 4*(3+2+3), //stride is size of vertex format in bytes. 4 is float size, 3 pos, 2 uv 4*(3+2) ); //************ // Prep shader //************ glContext.useProgram(shaderProgram); shaderProgram.vertexPositionAttribute = glContext.getAttribLocation( shaderProgram, "a_Pos" ); glContext.enableVertexAttribArray( shaderProgram.vertexPositionAttribute); shaderProgram.uvAttribute = glContext.getAttribLocation( shaderProgram, "a_UV" ); glContext.enableVertexAttribArray( shaderProgram.uvAttribute ); shaderProgram.normalAttribute = glContext.getAttribLocation( shaderProgram, "a_Normal" ); glContext.enableVertexAttribArray( shaderProgram.normalAttribute ); //********************* // Pass in uniform data //********************* //Time uniform var uTime = glContext.getUniformLocation(shaderProgram,"_Time"); if (uTime != -1) glContext.uniform1f(uTime, time); //ModelScale uniform var uModelScaleMatrix = glContext.getUniformLocation(shaderProgram,"_ModelScaleMatrix"); if (uModelScaleMatrix != -1) glContext.uniformMatrix4fv(uModelScaleMatrix, false, modelScale); //ModelRotation uniform var uModelRotationMatrix = glContext.getUniformLocation(shaderProgram,"_ModelRotationMatrix"); if (uModelRotationMatrix != -1) glContext.uniformMatrix4fv(uModelRotationMatrix, false, rotation); //Model translation matrix uniform var uObject2WorldMatrix = glContext.getUniformLocation(shaderProgram,"_Object2WorldMatrix"); if (uObject2WorldMatrix != -1) glContext.uniformMatrix4fv(uObject2WorldMatrix, false, object2WorldMatrix); //View matrix uniform var uViewMatrix = glContext.getUniformLocation(shaderProgram,"_ViewMatrix"); if (uViewMatrix != -1) glContext.uniformMatrix4fv(uViewMatrix, false, viewMatrix); //Projection matrix uniform var uProjectionMatrix = glContext.getUniformLocation(shaderProgram,"_ProjectionMatrix"); if (uProjectionMatrix != -1) glContext.uniformMatrix4fv(uProjectionMatrix, false, projectionMatrix); //Texture uniform glContext.activeTexture(glContext.TEXTURE0); glContext.bindTexture (glContext.TEXTURE_2D, texture); glContext.uniform1i (glContext.getUniformLocation(shaderProgram, "_Texture"), 0); //Camera world position uniform var uCameraWorldPosition = glContext.getUniformLocation(shaderProgram,"_CameraPos"); if (uCameraWorldPosition != -1) glContext.uniform3fv(uCameraWorldPosition,cameraPosition); //***** // draw //***** glContext.drawArrays( glContext.TRIANGLES, 0, VertexArray.numItems ); glContext.disable (glContext.BLEND);