void displayCallback()
{
akj::ResetCubeDrawCount();
glBindFramebuffer(GL_FRAMEBUFFER, 0);
glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
if(gUseFBO)
{
if(gWidth != gPostFXFrameBuffer->mWidth || gHeight != gPostFXFrameBuffer->mHeight)
{
gPostFXFrameBuffer->InitBuffers(gWidth, gHeight, GL_SRGB8_ALPHA8);
//rebind to the normal back buffer
glBindFramebuffer(GL_FRAMEBUFFER, 0);
}
glEnable(GL_BLEND);
glBlendEquation(GL_FUNC_ADD);
glBlendFuncSeparate (GL_ONE, GL_ZERO, GL_ONE, GL_ZERO);
RenderBackground();
glBlendFuncSeparate (GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA, GL_ONE, GL_ZERO);
//flame effects need to know about the time
gCompositingShader->BindUniformToFloat("my_time", gTime);
glPolygonMode(GL_FRONT, GL_FILL);
gCompositingShader->Use();
// clear the color buffer
// set up camera: we want a quad matched up to the viewport
glMatrixMode( GL_PROJECTION );
glLoadIdentity();
glOrtho(-1.0, 1.0, -1.0, 1.0, -1.0, 1.0);
glMatrixMode( GL_MODELVIEW );
glLoadIdentity();
//drawcube gives a -0.5 - 0.5 range, so mult by 2
glScalef(2.0, 2.0, 1.0);
glTranslatef( 0.0, 0.0, -0.8);
akj::glDrawRect2D();
akj::glCheckAllErrors(__FILE__,__LINE__);
glClear( GL_DEPTH_BUFFER_BIT );
}
else
{
RenderBackground();
}
glClear( GL_DEPTH_BUFFER_BIT );
glDisable(GL_BLEND);
SetupCamera();
RenderRabbit();
if(gUseFBO)
{
if(gClearFBO)
{
glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
gClearFBO = false;
}
glActiveTexture(GL_TEXTURE0 + gPostFXFrameBuffer->GetBoundTextureUnit());
glCopyTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, 0, 0, gWidth, gHeight);
}
glutSwapBuffers();
if (gDump) { // save images to file
dumpPPM();
}
//printf("number of cubes this frame = %d\n", akj::GetCubeDrawCount());
}
void displayCallback()
{
// clear the color buffer
glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
// set up camera
glMatrixMode( GL_PROJECTION );
glLoadIdentity();
gluPerspective( 45, 1.0, 0.1, 200.0 );
glMatrixMode( GL_MODELVIEW );
glLoadIdentity();
glTranslatef( 0.0, 0.0, -10.0 );
switch (camera) {
case 'p':
glRotatef( 180, 0.0, 1.0, 0.0 );
break;
case 'f':
glRotatef( -90, 0.0, 1.0, 0.0 );
break;
case 'b':
glRotatef( 90, 0.0, 1.0, 0.0 );
break;
case 'a':
glRotatef( 90, 1.0, 0.0, 0.0 );
break;
case 'u':
glRotatef( -90, 1.0, 0.0, 0.0 );
break;
case 'r':
break;
}
drawAxis();
// @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
// Draw your rabbit here
// @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
// Always start the hierarchy from the middle body block
glPushMatrix(); // Save camera matrix
glColor3f(1,1,1); // Make rabbit white
// Draw middle body block
glTranslatef(0,jumpHeight+1,0);
glTranslatef(0,0.1,0);
glRotatef(rearAngle,0,0,1);
glTranslatef(0,-0.1,0);
glutSolidCube(1.3);
// Build front body block
glPushMatrix();
glTranslatef(0.8,-0.05,0);
glRotatef(jumpAngle*0.7,0,0,1);
glRotatef(-curlAngle*0.4,0,0,1);
glScaled(0.4,1,1);
glutSolidCube(1.3);
glScaled(1/0.4,1,1);
// Build front right leg
glPushMatrix();
glTranslatef(0.15,-0.35,0.25);
glRotated(FRLegAngle+30,0,0,1);
glTranslatef(-0.11,-0.35,0.25);
glScalef(0.4,1,0.4);
glutSolidCube(0.5);
// Build front right paw
glPushMatrix();
glScalef(1/0.4,1,1/0.4);
glTranslatef(0.05,-0.25,0);
glRotated(-FRLegAngle*0.85-30,0,0,1);
glScalef(0.6,0.2,0.5);
glutSolidCube(0.5);
glPopMatrix();
glPopMatrix();
// Build front left leg
glPushMatrix();
glTranslatef(0.15,-0.35,-0.25);
glRotated(FLLegAngle+30,0,0,1);
glTranslatef(-0.11,-0.35,-0.25);
glScalef(0.4,1,0.4);
glutSolidCube(0.5);
// Build front left paw
glPushMatrix();
glScalef(1/0.4,1,1/0.4);
glTranslatef(0.05,-0.25,0);
glRotated(-FLLegAngle*0.85-30,0,0,1);
glScalef(0.6,0.2,0.5);
glutSolidCube(0.5);
glPopMatrix();
glPopMatrix();
// Build neck
glPushMatrix();
glRotatef(-headAngle+15,0,0,1);
glTranslatef(0.3,0.5,0);
glScalef(1.5,0.5,0.5);
glutSolidCube(1);
glScalef(1/1.5,2,2);
// Build Head
glTranslatef(0.5,0,0);
glRotatef(-headAngle*1.8,0,0,1);
glRotatef(-rearAngle,0,0,1);
glScalef(0.8,0.8,0.8);
glutSolidCube(1);
glScalef(1/0.8,1/0.8,1/0.8);
// Build right eye
glPushMatrix();
glTranslatef(0.355,0.07,0.17);
glScalef(0.1,0.1,0.1);
glColor3f(1,0,0); // Make the rabbit evil!
glutSolidCube(1);
glPopMatrix();
// Build left eye
glPushMatrix();
glTranslatef(0.355,0.07,-0.17);
glScalef(0.1,0.1,0.1);
glutSolidCube(1);
glColor3f(1,1,1);
glPopMatrix();
// Build the right ear
glPushMatrix();
glTranslatef(0.2,0,0.42);
glTranslatef(0,0.3,0);
glRotatef(-155+REAngle,1,0,0);
glTranslatef(0,-0.3,0);
glScalef(0.2,0.7,0.07);
glutSolidCube(1);
glPopMatrix();
// Build the left ear
glPushMatrix();
glTranslatef(0.2,0,-0.42);
glTranslatef(0,0.3,0);
glRotatef(155-LEAngle,1,0,0);
glTranslatef(0,-0.3,0);
glScalef(0.2,0.7,0.07);
glutSolidCube(1);
glPopMatrix();
glPopMatrix();
glPopMatrix();
// Build back body block
glTranslatef(-0.9,-0.1,0);
glRotatef(-jumpAngle+22, 0, 0, 1);
glTranslatef(0.5,0.5,0);
glRotatef(curlAngle*0.8,0,0,1);
glTranslatef(-0.5,-0.5,0);
glScaled(0.95,1,1);
glutSolidCube(1.2);
glScaled(1/0.95,1,1);
// Build the right back leg
glPushMatrix();
glTranslatef(-0.1,-0.25,0.75);
glTranslatef(0,0.3,0);
glRotatef(BRLegAngle*0.8,0,0,1);
glTranslatef(0,-0.3,0);
glScalef(0.8,1,0.2);
glutSolidCube(1);
glScalef(1/0.8,1,1/0.2);
// Build right back paw
glPushMatrix();
glTranslatef(-0.2,-0.46,0);
glTranslatef(-0.13,0,0);
glRotatef(-22-BRLegAngle*0.7,0,0,1);
glRotatef(-rearAngle,0,0,1);
glTranslatef(0.18,0,0);
glScalef(0.5,0.2,0.3);
glutSolidCube(1);
glPopMatrix();
glPopMatrix();
// Build the back left leg
glPushMatrix();
glTranslatef(-0.1,-0.25,-0.75);
glTranslatef(0,0.3,0);
glRotatef(BLLegAngle*0.8,0,0,1);
glTranslatef(0,-0.3,0);
glScalef(0.8,1,0.2);
glutSolidCube(1);
glScalef(1/0.8,1,1/0.2);
// Build left back paw
glPushMatrix();
glTranslatef(-0.2,-0.46,0);
glTranslatef(-0.13,0,0);
glRotatef(-22-BLLegAngle*0.7,0,0,1);
glRotatef(-rearAngle,0,0,1);
glTranslatef(0.18,0,0);
glScalef(0.5,0.2,0.3);
glutSolidCube(1);
glPopMatrix();
glPopMatrix();
// Build tail
glTranslatef(-0.6,0.2,0);
glScalef(0.5,0.5,0.5);
glutSolidCube(1);
glPopMatrix();
// cout << "jumpHeight " << jumpHeight << "\n";
// cout << "JumpAngle " << jumpAngle << "\n";
// cout << "headAngle " << headAngle << "\n";
// cout << "FLLegAngle " << FLLegAngle << "\n";
// cout << "FRLegAngle " << FRLegAngle << "\n";
// cout << "count:" << frames << "\n";
// cout << "REangle " << REAngle << isREdown << " " << "\n";
// cout << "LEangle " << LEAngle << isLEdown << " " << "\n";
// draw after the opaque objects, since it is translucent
drawFloor();
// draw the buffer to the screen
glutSwapBuffers();
if (Dump) { // save images to file
dumpPPM(iCount);
iCount++;
}
GLenum error = glGetError();
if(error != GL_NO_ERROR)
printf("ERROR: %s\n", gluErrorString(error));
}
void keyboardCallback(unsigned char c, int x, int y)
{
const int num_axes = 6;
static float rotation_axes[6][3] =
{
{0.0, 0.0, 1.0},
{0.0, 1.0, 0.0},
{1.0, 0.0, 0.0},
{1.0, 1.0, 0.0},
{1.0, 0.0, 1.0},
{0.0, 1.0, 1.0}
};
switch (c)
{
case 'm':
TriggerRabbitAnimation(akj::Rabbit::LIMB_RAISE_RIGHT_FORE);
break;
case 'l':
TriggerRabbitAnimation(akj::Rabbit::LIMB_RAISE_LEFT_FORE);
break;
case 'o':
TriggerRabbitAnimation(akj::Rabbit::LIMB_RAISE_RIGHT_HIND);
break;
case 'n':
TriggerRabbitAnimation(akj::Rabbit::LIMB_RAISE_LEFT_HIND);
break;
case 'e':
TriggerRabbitAnimation(akj::Rabbit::EAR_RAISE_RIGHT);
break;
case 'w':
TriggerRabbitAnimation(akj::Rabbit::EAR_RAISE_LEFT);
break;
case 'c':
TriggerRabbitAnimation(akj::Rabbit::BODY_CURL);
break;
case 't':
TriggerRabbitAnimation(akj::Rabbit::REAR_UP);
break;
case 'j':
TriggerRabbitAnimation(akj::Rabbit::JUMP);
break;
case 'h':
TriggerRabbitAnimation(akj::Rabbit::HEAD_NOD);
break;
case '2':
TriggerRabbitAnimation(akj::Rabbit::ELLIPSETRANS);
break;
case 'f':
gFOV += 1.0f;
break;
case 'v':
gFOV -= 1.0f;
break;
case 'g':
gFarPlane += 1.0f;
break;
case 'b':
gFarPlane -= 1.0f;
break;
case 'q':
exit (0);
break;
case '1':
gUseFBO = !gUseFBO;
gClearFBO = gUseFBO;
break;
case 'r':
gRotationPerSecond = cUnitQuat();
gRabbit->SetRotation(cUnitQuat());
gRabbit->SetTranslation(cCoord3(0.0f));
break;
case 's':
gRotationPerSecond = cUnitQuat();
break;
case 'i':
dumpPPM();
break;
case 'd': // dump animation PPM frames
gImageCount = 0; // image file count
gDump = !gDump;
break;
case '-':
gRabbit->MultiplyScale(cCoord3(2.0f / 3.0f, 2.0f / 3.0f, 2.0f / 3.0f));
break;
case '=':
gRabbit->MultiplyScale(cCoord3(1.5f, 1.5f, 1.5f));
break;
case '3':
gDoHalfAnimations = ! gDoHalfAnimations;
break;
case ' ':
gDoSmoothAnimation = ! gDoSmoothAnimation;
break;
case 'x':
gRotationPerSecond = cUnitQuat(cAngleAxis(kRotationRate * 2.0f * AKJ_PIf, rotation_axes[axis_choice][0], rotation_axes[axis_choice][1], rotation_axes[axis_choice][2]));
axis_choice = (axis_choice + 1) % num_axes;
break;
}
glutPostRedisplay();
}
void keyboardCallback(unsigned char c, int x, int y) {
frames = 0;
switch (c) {
case 'q':
exit (0);
break;
case 'p':
camera = 'p';
break;
case 'f':
camera = 'f';
break;
case 'b':
camera = 'b';
break;
case 'a':
camera = 'a';
break;
case 'u':
camera = 'u';
break;
case 'r':
camera = 'r';
break;
case 'i':
dumpPPM(iCount);
iCount++;
break;
case 'd': // dump animation PPM frames
iCount = 0; // image file count
Dump = !Dump;
break;
case 'j':
isJumpUp = !isJumpUp;
if (!isJumpcutOn)
glutIdleFunc(idle);
else {
jumpAngle = jumpcutValue(isJumpUp, jumpAngle, 40, 0);
jumpHeight = jumpcutValue(isJumpUp, jumpHeight, 1, 0);
}
break;
case 'm':
isFRLegUp = !isFRLegUp;
if (!isJumpcutOn)
glutIdleFunc(idle);
else
FRLegAngle = jumpcutValue(isFRLegUp, FRLegAngle, 70, 0);
break;
case 'l':
isFLLegUp = !isFLLegUp;
if (!isJumpcutOn)
glutIdleFunc(idle);
else
FLLegAngle = jumpcutValue(isFLLegUp, FLLegAngle, 70, 0);
break;
case 'h':
isHeadDown = !isHeadDown;
if (!isJumpcutOn)
glutIdleFunc(idle);
else
headAngle = jumpcutValue(isHeadDown, headAngle, 12, 0);
break;
case 'e':
isREdown = !isREdown;
if (!isJumpcutOn)
glutIdleFunc(idle);
else
REAngle = jumpcutValue(isREdown, REAngle, 140, 0);
break;
case 'w':
isLEdown = !isLEdown;
if (!isJumpcutOn)
glutIdleFunc(idle);
else
LEAngle = jumpcutValue(isLEdown, LEAngle, 140, 0);
break;
case 'c':
isCurled = !isCurled;
if (!isJumpcutOn)
glutIdleFunc(idle);
else
curlAngle = jumpcutValue(isCurled, curlAngle, 40, 0);
break;
case 'o':
isBRLegUp = !isBRLegUp;
if (!isJumpcutOn)
glutIdleFunc(idle);
else
BRLegAngle = jumpcutValue(isBRLegUp, BRLegAngle, 70, 0);
break;
case 'n':
isBLLegUp = !isBLLegUp;
if (!isJumpcutOn)
glutIdleFunc(idle);
else
BLLegAngle = jumpcutValue(isBLLegUp, BLLegAngle, 70, 0);
break;
case 't':
isReared = !isReared;
if (!isJumpcutOn)
glutIdleFunc(idle);
else
rearAngle = jumpcutValue(isReared, rearAngle, 90, 0);
break;
case ' ':
isJumpcutOn = !isJumpcutOn;
break;
}
glutPostRedisplay();
}