private void initTriangle()
{
float[] coords = {
-0.5f, -0.5f, 0.5f, // 0
0.5f, -0.5f, 0.5f, // 1
0f, -0.5f, -0.5f, // 2
0f, 0.5f, 0f, // 3
};
_nrOfVertices = coords.Length;
float[] colors = {
1f, 0f, 0f, 1f, // point 0 red
0f, 1f, 0f, 1f, // point 1 green
0f, 0f, 1f, 1f, // point 2 blue
1f, 1f, 1f, 1f, // point 3 white
};
short[] indices = new short[] {
0, 1, 3, // rwg
0, 2, 1, // rbg
0, 3, 2, // rbw
1, 2, 3, // bwg
};
// float has 4 bytes, coordinate * 4 bytes
ByteBuffer vbb = ByteBuffer.allocateDirect(coords.Length * 4);
vbb.order(ByteOrder.nativeOrder());
_vertexBuffer = vbb.asFloatBuffer();
// short has 2 bytes, indices * 2 bytes
ByteBuffer ibb = ByteBuffer.allocateDirect(indices.Length * 2);
ibb.order(ByteOrder.nativeOrder());
_indexBuffer = ibb.asShortBuffer();
// float has 4 bytes, colors (RGBA) * 4 bytes
ByteBuffer cbb = ByteBuffer.allocateDirect(colors.Length * 4);
cbb.order(ByteOrder.nativeOrder());
_colorBuffer = cbb.asFloatBuffer();
_vertexBuffer.put(coords);
_indexBuffer.put(indices);
_colorBuffer.put(colors);
_vertexBuffer.position(0);
_indexBuffer.position(0);
_colorBuffer.position(0);
}
public void onSurfaceCreated(javax.microedition.khronos.egl.EGLConfig value)
{
Console.WriteLine("enter AndroidCardboardExperiment onSurfaceCreated");
GLES20.glClearColor(0.1f, 0.1f, 0.1f, 0.5f); // Dark background so text shows up well.
ByteBuffer bbVertices = ByteBuffer.allocateDirect(WorldLayoutData.CUBE_COORDS.Length * 4);
bbVertices.order(ByteOrder.nativeOrder());
cubeVertices = bbVertices.asFloatBuffer();
cubeVertices.put(WorldLayoutData.CUBE_COORDS);
cubeVertices.position(0);
ByteBuffer bbColors = ByteBuffer.allocateDirect(WorldLayoutData.CUBE_COLORS.Length * 4);
bbColors.order(ByteOrder.nativeOrder());
cubeColors = bbColors.asFloatBuffer();
cubeColors.put(WorldLayoutData.CUBE_COLORS);
cubeColors.position(0);
ByteBuffer bbFoundColors = ByteBuffer.allocateDirect(
WorldLayoutData.CUBE_FOUND_COLORS.Length * 4);
bbFoundColors.order(ByteOrder.nativeOrder());
cubeFoundColors = bbFoundColors.asFloatBuffer();
cubeFoundColors.put(WorldLayoutData.CUBE_FOUND_COLORS);
cubeFoundColors.position(0);
ByteBuffer bbNormals = ByteBuffer.allocateDirect(WorldLayoutData.CUBE_NORMALS.Length * 4);
bbNormals.order(ByteOrder.nativeOrder());
cubeNormals = bbNormals.asFloatBuffer();
cubeNormals.put(WorldLayoutData.CUBE_NORMALS);
cubeNormals.position(0);
// make a floor
ByteBuffer bbFloorVertices = ByteBuffer.allocateDirect(WorldLayoutData.FLOOR_COORDS.Length * 4);
bbFloorVertices.order(ByteOrder.nativeOrder());
floorVertices = bbFloorVertices.asFloatBuffer();
floorVertices.put(WorldLayoutData.FLOOR_COORDS);
floorVertices.position(0);
ByteBuffer bbFloorNormals = ByteBuffer.allocateDirect(WorldLayoutData.FLOOR_NORMALS.Length * 4);
bbFloorNormals.order(ByteOrder.nativeOrder());
floorNormals = bbFloorNormals.asFloatBuffer();
floorNormals.put(WorldLayoutData.FLOOR_NORMALS);
floorNormals.position(0);
ByteBuffer bbFloorColors = ByteBuffer.allocateDirect(WorldLayoutData.FLOOR_COLORS.Length * 4);
bbFloorColors.order(ByteOrder.nativeOrder());
floorColors = bbFloorColors.asFloatBuffer();
floorColors.put(WorldLayoutData.FLOOR_COLORS);
floorColors.position(0);
#region loadGLShader
Func<int, string, int> loadGLShader = (int type, string code) =>
{
int shader = GLES20.glCreateShader(type);
GLES20.glShaderSource(shader, code);
GLES20.glCompileShader(shader);
// Get the compilation status.
int[] compileStatus = new int[1];
GLES20.glGetShaderiv(shader, GLES20.GL_COMPILE_STATUS, compileStatus, 0);
// If the compilation failed, delete the shader.
if (compileStatus[0] == 0)
{
Console.WriteLine("Error compiling shader: " + GLES20.glGetShaderInfoLog(shader));
GLES20.glDeleteShader(shader);
shader = 0;
}
if (shader == 0)
{
throw new Exception("Error creating shader.");
}
return shader;
};
#endregion
int vertexShader = loadGLShader(GLES20.GL_VERTEX_SHADER, new AndroidCardboardExperiment.Shaders.light_vertexVertexShader().ToString());
int gridShader = loadGLShader(GLES20.GL_FRAGMENT_SHADER, new AndroidCardboardExperiment.Shaders.grid_fragmentFragmentShader().ToString());
int passthroughShader = loadGLShader(GLES20.GL_FRAGMENT_SHADER, new AndroidCardboardExperiment.Shaders.passthrough_fragmentFragmentShader().ToString());
cubeProgram = GLES20.glCreateProgram();
GLES20.glAttachShader(cubeProgram, vertexShader);
GLES20.glAttachShader(cubeProgram, passthroughShader);
GLES20.glLinkProgram(cubeProgram);
GLES20.glUseProgram(cubeProgram);
checkGLError("Cube program");
cubePositionParam = GLES20.glGetAttribLocation(cubeProgram, "a_Position");
cubeNormalParam = GLES20.glGetAttribLocation(cubeProgram, "a_Normal");
cubeColorParam = GLES20.glGetAttribLocation(cubeProgram, "a_Color");
cubeModelParam = GLES20.glGetUniformLocation(cubeProgram, "u_Model");
cubeModelViewParam = GLES20.glGetUniformLocation(cubeProgram, "u_MVMatrix");
cubeModelViewProjectionParam = GLES20.glGetUniformLocation(cubeProgram, "u_MVP");
cubeLightPosParam = GLES20.glGetUniformLocation(cubeProgram, "u_LightPos");
GLES20.glEnableVertexAttribArray(cubePositionParam);
GLES20.glEnableVertexAttribArray(cubeNormalParam);
GLES20.glEnableVertexAttribArray(cubeColorParam);
checkGLError("Cube program params");
floorProgram = GLES20.glCreateProgram();
GLES20.glAttachShader(floorProgram, vertexShader);
GLES20.glAttachShader(floorProgram, gridShader);
GLES20.glLinkProgram(floorProgram);
GLES20.glUseProgram(floorProgram);
checkGLError("Floor program");
floorModelParam = GLES20.glGetUniformLocation(floorProgram, "u_Model");
floorModelViewParam = GLES20.glGetUniformLocation(floorProgram, "u_MVMatrix");
floorModelViewProjectionParam = GLES20.glGetUniformLocation(floorProgram, "u_MVP");
floorLightPosParam = GLES20.glGetUniformLocation(floorProgram, "u_LightPos");
floorPositionParam = GLES20.glGetAttribLocation(floorProgram, "a_Position");
floorNormalParam = GLES20.glGetAttribLocation(floorProgram, "a_Normal");
floorColorParam = GLES20.glGetAttribLocation(floorProgram, "a_Color");
GLES20.glEnableVertexAttribArray(floorPositionParam);
GLES20.glEnableVertexAttribArray(floorNormalParam);
GLES20.glEnableVertexAttribArray(floorColorParam);
checkGLError("Floor program params");
GLES20.glEnable(GLES20.GL_DEPTH_TEST);
// Object first appears directly in front of user.
Matrix.setIdentityM(modelCube, 0);
Matrix.translateM(modelCube, 0, 0, 0, -objectDistance);
Matrix.setIdentityM(modelFloor, 0);
Matrix.translateM(modelFloor, 0, 0, -floorDepth, 0); // Floor appears below user.
checkGLError("onSurfaceCreated");
Console.WriteLine("exit AndroidCardboardExperiment onSurfaceCreated");
}
private void initTriangle()
{
// float has 4 bytes
ByteBuffer vbb = ByteBuffer.allocateDirect(_nrOfVertices * 3 * 4);
vbb.order(ByteOrder.nativeOrder());
_vertexBuffer = vbb.asFloatBuffer();
// short has 4 bytes
ByteBuffer ibb = ByteBuffer.allocateDirect(_nrOfVertices * 2);
ibb.order(ByteOrder.nativeOrder());
_indexBuffer = ibb.asShortBuffer();
// float has 4 bytes, 4 colors (RGBA) * number of vertices * 4 bytes
ByteBuffer cbb = ByteBuffer.allocateDirect(4 * _nrOfVertices * 4);
cbb.order(ByteOrder.nativeOrder());
_colorBuffer = cbb.asFloatBuffer();
float[] coords = {
-0.5f, -0.5f, 0f, // (x1, y1, z1)
0.5f, -0.5f, 0f, // (x2, y2, z2)
0.5f, 0.5f, 0f // (x3, y3, z3)
};
float[] colors = {
1f, 0f, 0f, 1f, // point 1
0f, 1f, 0f, 1f, // point 2
0f, 0f, 1f, 1f, // point 3
};
_vertexBuffer.put(coords);
_indexBuffer.put(_indicesArray);
_colorBuffer.put(colors);
_vertexBuffer.position(0);
_indexBuffer.position(0);
_colorBuffer.position(0);
}
private void initStaticTriangle()
{
// float has 4 bytes
ByteBuffer vbb = ByteBuffer.allocateDirect(_nrOfVertices * 3 * 4);
vbb.order(ByteOrder.nativeOrder());
_vertexBufferStatic = vbb.asFloatBuffer();
// short has 4 bytes
ByteBuffer ibb = ByteBuffer.allocateDirect(_nrOfVertices * 2);
ibb.order(ByteOrder.nativeOrder());
_indexBufferStatic = ibb.asShortBuffer();
float[] coords = {
-0.4f, -0.4f, 0f, // (x1, y1, z1)
0.4f, -0.4f, 0f, // (x2, y2, z2)
0f, 0.4f, 0f // (x3, y3, z3)
};
_vertexBufferStatic.put(coords);
_indexBufferStatic.put(_indicesArray);
_vertexBufferStatic.position(0);
_indexBufferStatic.position(0);
}
public void onSurfaceCreated(javax.microedition.khronos.egl.EGLConfig value)
{
Console.WriteLine("enter AndroidCardboardExperiment onSurfaceCreated");
GLES20.glClearColor(0.1f, 0.1f, 0.1f, 0.5f); // Dark background so text shows up well.
ByteBuffer bbVertices = ByteBuffer.allocateDirect(WorldLayoutData.CUBE_COORDS.Length * 4);
bbVertices.order(ByteOrder.nativeOrder());
cubeVertices = bbVertices.asFloatBuffer();
cubeVertices.put(WorldLayoutData.CUBE_COORDS);
cubeVertices.position(0);
ByteBuffer bbColors = ByteBuffer.allocateDirect(WorldLayoutData.CUBE_COLORS.Length * 4);
bbColors.order(ByteOrder.nativeOrder());
cubeColors = bbColors.asFloatBuffer();
cubeColors.put(WorldLayoutData.CUBE_COLORS);
cubeColors.position(0);
ByteBuffer bbFoundColors = ByteBuffer.allocateDirect(
WorldLayoutData.CUBE_FOUND_COLORS.Length * 4);
bbFoundColors.order(ByteOrder.nativeOrder());
cubeFoundColors = bbFoundColors.asFloatBuffer();
cubeFoundColors.put(WorldLayoutData.CUBE_FOUND_COLORS);
cubeFoundColors.position(0);
ByteBuffer bbNormals = ByteBuffer.allocateDirect(WorldLayoutData.CUBE_NORMALS.Length * 4);
bbNormals.order(ByteOrder.nativeOrder());
cubeNormals = bbNormals.asFloatBuffer();
cubeNormals.put(WorldLayoutData.CUBE_NORMALS);
cubeNormals.position(0);
// make a floor
ByteBuffer bbFloorVertices = ByteBuffer.allocateDirect(WorldLayoutData.FLOOR_COORDS.Length * 4);
bbFloorVertices.order(ByteOrder.nativeOrder());
floorVertices = bbFloorVertices.asFloatBuffer();
floorVertices.put(WorldLayoutData.FLOOR_COORDS);
floorVertices.position(0);
ByteBuffer bbFloorNormals = ByteBuffer.allocateDirect(WorldLayoutData.FLOOR_NORMALS.Length * 4);
bbFloorNormals.order(ByteOrder.nativeOrder());
floorNormals = bbFloorNormals.asFloatBuffer();
floorNormals.put(WorldLayoutData.FLOOR_NORMALS);
floorNormals.position(0);
var fcolors = 0xA26D41;
// rgb to float
//[javac] return __Enumerable.<Float>AsEnumerable(__SZArrayEnumerator_1.<Float>Of(x));
//[javac] ^
//[javac] required: T#1[]
//[javac] found: float[]
//[javac] reason: actual argument float[] cannot be converted to Float[] by method invocation conversion
// var FLOOR_COLORS = (
// from i in Enumerable.Range(0, 6)
// select new float[] { 0xA2 / 1.0f, 0x6D / 1.0f, 0x41 / 1.0f, 1.0f }
//).SelectMany(x => x).ToArray();
#region floorColors
var FLOOR_COLORS = new float[4 * 6];
for (int i = 0; i < FLOOR_COLORS.Length; i += 4)
{
FLOOR_COLORS[i + 0] = 0xA2 / 100.0f;
FLOOR_COLORS[i + 1] = 0x6D / 100.0f;
FLOOR_COLORS[i + 2] = 0x41 / 100.0f;
FLOOR_COLORS[i + 3] = 1.0f;
}
FloatBuffer floorColors;
ByteBuffer bbFloorColors = ByteBuffer.allocateDirect(WorldLayoutData.FLOOR_COLORS.Length * 4);
bbFloorColors.order(ByteOrder.nativeOrder());
floorColors = bbFloorColors.asFloatBuffer();
//floorColors.put(WorldLayoutData.FLOOR_COLORS);
floorColors.put(FLOOR_COLORS);
floorColors.position(0);
#endregion
#region loadGLShader
Func<int, ScriptCoreLib.GLSL.Shader, int> loadGLShader = (type, xshader) =>
{
var code = xshader.ToString();
int shader = GLES20.glCreateShader(type);
GLES20.glShaderSource(shader, code);
GLES20.glCompileShader(shader);
// Get the compilation status.
int[] compileStatus = new int[1];
GLES20.glGetShaderiv(shader, GLES20.GL_COMPILE_STATUS, compileStatus, 0);
// If the compilation failed, delete the shader.
if (compileStatus[0] == 0)
{
Console.WriteLine("Error compiling shader: " + GLES20.glGetShaderInfoLog(shader));
GLES20.glDeleteShader(shader);
shader = 0;
}
if (shader == 0)
{
throw new Exception("Error creating shader.");
}
return shader;
};
#endregion
int vertexShader = loadGLShader(GLES20.GL_VERTEX_SHADER, new AndroidCardboardExperiment.Shaders.light_vertexVertexShader());
int gridShader = loadGLShader(GLES20.GL_FRAGMENT_SHADER, new Shaders.xgrid_fragmentFragmentShader());
int passthroughShader = loadGLShader(GLES20.GL_FRAGMENT_SHADER, new AndroidCardboardExperiment.Shaders.passthrough_fragmentFragmentShader());
cubeProgram = GLES20.glCreateProgram();
GLES20.glAttachShader(cubeProgram, vertexShader);
GLES20.glAttachShader(cubeProgram, passthroughShader);
GLES20.glLinkProgram(cubeProgram);
GLES20.glUseProgram(cubeProgram);
checkGLError("Cube program");
cubePositionParam = GLES20.glGetAttribLocation(cubeProgram, "a_Position");
cubeNormalParam = GLES20.glGetAttribLocation(cubeProgram, "a_Normal");
cubeColorParam = GLES20.glGetAttribLocation(cubeProgram, "a_Color");
cubeModelParam = GLES20.glGetUniformLocation(cubeProgram, "u_Model");
cubeModelViewParam = GLES20.glGetUniformLocation(cubeProgram, "u_MVMatrix");
cubeModelViewProjectionParam = GLES20.glGetUniformLocation(cubeProgram, "u_MVP");
cubeLightPosParam = GLES20.glGetUniformLocation(cubeProgram, "u_LightPos");
GLES20.glEnableVertexAttribArray(cubePositionParam);
GLES20.glEnableVertexAttribArray(cubeNormalParam);
GLES20.glEnableVertexAttribArray(cubeColorParam);
checkGLError("Cube program params");
floorProgram = GLES20.glCreateProgram();
GLES20.glAttachShader(floorProgram, vertexShader);
GLES20.glAttachShader(floorProgram, gridShader);
GLES20.glLinkProgram(floorProgram);
GLES20.glUseProgram(floorProgram);
checkGLError("Floor program");
floorModelParam = GLES20.glGetUniformLocation(floorProgram, "u_Model");
floorModelViewParam = GLES20.glGetUniformLocation(floorProgram, "u_MVMatrix");
floorModelViewProjectionParam = GLES20.glGetUniformLocation(floorProgram, "u_MVP");
floorLightPosParam = GLES20.glGetUniformLocation(floorProgram, "u_LightPos");
floorPositionParam = GLES20.glGetAttribLocation(floorProgram, "a_Position");
floorNormalParam = GLES20.glGetAttribLocation(floorProgram, "a_Normal");
floorColorParam = GLES20.glGetAttribLocation(floorProgram, "a_Color");
GLES20.glEnableVertexAttribArray(floorPositionParam);
GLES20.glEnableVertexAttribArray(floorNormalParam);
GLES20.glEnableVertexAttribArray(floorColorParam);
checkGLError("Floor program params");
GLES20.glEnable(GLES20.GL_DEPTH_TEST);
//GLES20.glEnable(GLES20.GL_FOG);
checkGLError("onSurfaceCreated");
Console.WriteLine("exit AndroidCardboardExperiment onSurfaceCreated");
vFinishFrame = (com.google.vrtoolkit.cardboard.Viewport v) =>
{
// GPU thread stops now..
FrameOne.Stop();
};
// I/System.Console(28103): CardboardForEdgeExperiment { ProcessorCount = 8, MODEL = SM-G925F, CurrentManagedThreadId = 11305, FrameCounter = 28, LastFrameMilliseconds = 40, codeFPS = 25.0, pitch = 1.579644, yaw = 1.6225219 }
#region vNewFrame
vNewFrame = (com.google.vrtoolkit.cardboard.HeadTransform headTransform) =>
{
// http://stackoverflow.com/questions/11851343/raise-fps-on-android-tablet-above-60-for-opengl-game
// http://gafferongames.com/game-physics/fix-your-timestep/
#region FrameWatch
if (FrameWatch.ElapsedMilliseconds >= 1000)
{
var codeFPS = 1000.0 / FrameOne.ElapsedMilliseconds;
// we now know how many frames did fit into it
// need 60 or more!
Console.WriteLine("CardboardForEdgeExperiment " + new
{
// static
System.Environment.ProcessorCount,
android.os.Build.MODEL,
System.Environment.CurrentManagedThreadId,
FrameCounter,
// dynamic
LastFrameMilliseconds = FrameOne.ElapsedMilliseconds,
codeFPS,
// very dynamic
pitch,
yaw
});
// I/System.Console(28117): CardboardForEdgeExperiment { ProcessorCount = 2, MODEL = Nexus 9, CurrentManagedThreadId = 1647, FrameCounter = 60, LastFrameMilliseconds = 6, codeFPS = 166.66666666666666, pitch = 1.5978987, yaw = -2.0770574 }
FrameWatch.Restart();
FrameCounter = 0;
}
#endregion
// GPU thread starts now..
FrameOne.Restart();
FrameCounter++;
//Console.WriteLine("AndroidCardboardExperiment onNewFrame");
headTransform.getHeadView(headView, 0);
checkGLError("onReadyToDraw");
// I/System.Console(27769): CardboardForEdgeExperiment { FrameCounter = 61, LastFrameMilliseconds = 0, codeFPS = Infinity, CurrentManagedThreadId = 1637, ProcessorCount = 2, MODEL = Nexus 9 }
// add placeholder slowdown
//System.Threading.Thread.Sleep(5);
// I/System.Console(27840): CardboardForEdgeExperiment { FrameCounter = 60, LastFrameMilliseconds = 6, codeFPS = 166.66666666666666, CurrentManagedThreadId = 1642, ProcessorCount = 2, MODEL = Nexus 9 }
};
#endregion
// if we define it here, we get to see it in vr...
var modelCube = new float[16];
// I/System.Console(19917): CardboardForEdgeExperiment { ProcessorCount = 8, MODEL = SM-G925F, CurrentManagedThreadId = 9959, FrameCounter = 46, LastFrameMilliseconds = 6, codeFPS = 166.66666666666666, pitch = 0.9070491, yaw = -0.3660261 }
#region vDrawEye
vDrawEye = (com.google.vrtoolkit.cardboard.Eye eye) =>
{
// VIDEO via "X:\util\android-sdk-windows\tools\ddms.bat"
var camera = new float[16];
// static void setLookAtM(float[] rm, int rmOffset, float eyeX, float eyeY, float eyeZ, float centerX, float centerY, float centerZ, float upX, float upY, float upZ)
// Build the camera matrix and apply it to the ModelView.
Matrix.setLookAtM(camera, 0,
0.0f, 0.0f, CAMERA_Z,
0f, 0.0f, 0.0f,
0.0f, 1.0f, 0.0f);
#region glClearColor
// skybox/video instead?
GLES20.glClearColor(
0x87 / 255f,
0xCE / 255f,
0xEB / 255f, 1.0f
);
GLES20.glClear(GLES20.GL_COLOR_BUFFER_BIT | GLES20.GL_DEPTH_BUFFER_BIT);
#endregion
var view = new float[16];
// can we strafe?
// Apply the eye transformation to the camera.
Matrix.multiplyMM(view, 0, eye.getEyeView(), 0, camera, 0);
// we tapped into it. this strafes ius!
Matrix.translateM(view, 0,
(float)Math.Sin(TotalTime.ElapsedMilliseconds * 0.0001f) * objectDistance * 2.5f,
// up down
//(float)Math.Sin(TotalTime.ElapsedMilliseconds * 0.001f) * floorDepth * 0.5f,
(float)Math.Cos(TotalTime.ElapsedMilliseconds * 0.001f) * floorDepth * 0.1f,
0
);
// Set the position of the light
Matrix.multiplyMV(lightPosInEyeSpace, 0, view, 0, LIGHT_POS_IN_WORLD_SPACE, 0);
// Build the ModelView and ModelViewProjection matrices
// for calculating cube position and light.
float[] perspective = eye.getPerspective(Z_NEAR, Z_FAR);
// just a buffer?
var modelView = new float[16];
#region drawCube()
Action<float, float, float> drawCube = (tx, ty, tz) =>
{
#region isLookingAtObject
Func<bool> isLookingAtObject = () =>
{
float[] initVec = { 0, 0, 0, 1.0f };
float[] objPositionVec = new float[4];
// Convert object space to camera space. Use the headView from onNewFrame.
Matrix.multiplyMM(modelView, 0, headView, 0, modelCube, 0);
Matrix.multiplyMV(objPositionVec, 0, modelView, 0, initVec, 0);
pitch = (float)Math.Atan2(objPositionVec[1], -objPositionVec[2]);
yaw = (float)Math.Atan2(objPositionVec[0], -objPositionVec[2]);
if (Math.Abs(pitch) < PITCH_LIMIT)
if (Math.Abs(yaw) < YAW_LIMIT)
return true;
return false;
};
#endregion
// Object first appears directly in front of user.
Matrix.setIdentityM(modelCube, 0);
// cant see it?
var scale = 5.0f;
//Matrix.scaleM(modelCube, 0, scale, scale, scale);
Matrix.translateM(modelCube, 0, tx, ty, tz);
Matrix.multiplyMM(modelView, 0, view, 0, modelCube, 0);
Matrix.multiplyMM(modelViewProjection, 0, perspective, 0, modelView, 0);
// public static void scaleM (float[] m, int mOffset, float x, float y, float z)
// Build the Model part of the ModelView matrix.
//Matrix.rotateM(modelCube, 0, TIME_DELTA, 0.5f, 0.5f, 1.0f);
// cant see rotation?
Matrix.rotateM(modelCube, 0, TotalTime.ElapsedMilliseconds * 0.01f,
// upwards rot.
//0.5f,
0f,
// sideways, left to right
0.5f
, 0.0f);
// http://developer.android.com/reference/android/opengl/Matrix.html#translateM(float[], int, float, float, float)
// the cube rotates in front of us.
// do we need to use a special program to draw a cube?
// how can we make it bigger?
GLES20.glUseProgram(cubeProgram);
GLES20.glUniform3fv(cubeLightPosParam, 1, lightPosInEyeSpace, 0);
// Set the Model in the shader, used to calculate lighting
GLES20.glUniformMatrix4fv(cubeModelParam, 1, false, modelCube, 0);
// Set the ModelView in the shader, used to calculate lighting
GLES20.glUniformMatrix4fv(cubeModelViewParam, 1, false, modelView, 0);
// Set the position of the cube
GLES20.glVertexAttribPointer(cubePositionParam, COORDS_PER_VERTEX, GLES20.GL_FLOAT, false, 0, cubeVertices);
// Set the ModelViewProjection matrix in the shader.
GLES20.glUniformMatrix4fv(cubeModelViewProjectionParam, 1, false, modelViewProjection, 0);
// Set the normal positions of the cube, again for shading
GLES20.glVertexAttribPointer(cubeNormalParam, 3, GLES20.GL_FLOAT, false, 0, cubeNormals);
#region cubeColors
var cc = cubeColors;
if (!isLookingAtObject()) cc = cubeFoundColors;
GLES20.glVertexAttribPointer(cubeColorParam, 4, GLES20.GL_FLOAT, false, 0, cc);
#endregion
GLES20.glDrawArrays(GLES20.GL_TRIANGLES, 0, 36);
checkGLError("Drawing cube");
};
#endregion
#region drawCube
drawCube(0, objectDistance, objectDistance * -1.0f);
drawCube(0, 0, objectDistance * -2.0f);
// looks like an airstrip
// low fps?
//var endOfMatrix = 64;
var endOfMatrix = 20;
for (int i = -endOfMatrix; i < endOfMatrix; i++)
{
drawCube(objectDistance, -floorDepth, objectDistance * -2.0f * i);
drawCube(-objectDistance, -floorDepth, objectDistance * -2.0f * i);
drawCube(objectDistance * 0.5f, 0, objectDistance * -2.0f * i);
drawCube(objectDistance * -0.5f, 0, objectDistance * -2.0f * i);
}
#endregion
var modelFloor = new float[16];
Matrix.setIdentityM(modelFloor, 0);
Matrix.translateM(modelFloor, 0,
// the floor escapes!
//TotalTime.ElapsedMilliseconds * 0.01f,
0, -floorDepth, 0); // Floor appears below user.
// Set modelView for the floor, so we draw floor in the correct location
Matrix.multiplyMM(modelView, 0, view, 0, modelFloor, 0);
Matrix.multiplyMM(modelViewProjection, 0, perspective, 0, modelView, 0);
#region drawFloor
// called by onDrawEye
Action drawFloor = delegate
{
GLES20.glUseProgram(floorProgram);
// Set ModelView, MVP, position, normals, and color.
GLES20.glUniform3fv(floorLightPosParam, 1, lightPosInEyeSpace, 0);
GLES20.glUniformMatrix4fv(floorModelParam, 1, false, modelFloor, 0);
GLES20.glUniformMatrix4fv(floorModelViewParam, 1, false, modelView, 0);
GLES20.glUniformMatrix4fv(floorModelViewProjectionParam, 1, false,
modelViewProjection, 0);
GLES20.glVertexAttribPointer(floorPositionParam, COORDS_PER_VERTEX, GLES20.GL_FLOAT,
false, 0, floorVertices);
GLES20.glVertexAttribPointer(floorNormalParam, 3, GLES20.GL_FLOAT, false, 0,
floorNormals);
GLES20.glVertexAttribPointer(floorColorParam, 4, GLES20.GL_FLOAT, false, 0, floorColors);
GLES20.glDrawArrays(GLES20.GL_TRIANGLES, 0, 6);
checkGLError("drawing floor");
};
drawFloor();
#endregion
};
#endregion
}