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latest work on render_view_frustum

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This commit is contained in:
ZappoMan 2013-04-10 12:12:52 -07:00
parent 597f35db3d
commit 28a41132a4
1 changed files with 63 additions and 37 deletions
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96
interface/src/main.cpp
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@ -154,6 +154,7 @@ bool paintOn = false; // Whether to paint voxels as you fly around
VoxelDetail paintingVoxel; // The voxel we're painting if we're painting
unsigned char dominantColor = 0; // The dominant color of the voxel we're painting
bool perfStatsOn = false; // Do we want to display perfStats?
bool frustumOn = false; // Whether or not to display the debug view frustum
int noiseOn = 0; // Whether to add random noise
float noise = 1.0; // Overall magnitude scaling for random noise levels
@ -530,7 +531,29 @@ void render_view_frustum() {
// farWidth – the width of the far plane
glm::vec3 cameraPosition = ::myHead.getPos()*-1.0; // We need to flip the sign to make this work.
glm::vec3 cameraDirection = ::myHead.getAvatarHeadLookatDirection()*-1.0; // gak! Not sure if this is correct!
//glm::vec3 cameraDirection = ::myHead.getAvatarHeadLookatDirection()*-1.0; // gak! Not sure if this is correct!
float yaw = myHead.getYaw();
float rightOfYaw = yaw-90.0;
//float pitch = myHead.getPitch();
//float roll = myHead.getRoll();
//printf("yaw=%f, right of yaw=%f, pitch=%f, roll=%f\n",yaw,rightOfYaw,pitch,roll);
// Currently we don't utilize pitch and yaw. Mainly because UI doesn't handle it.
float directionX = sin(yaw*PI_OVER_180);
float directionY = 0.0;
float directionZ = cos(yaw*PI_OVER_180);
//printf("directionX=%f, directionY=%f, directionZ=%f\n",directionX,directionY,directionZ);
float directionRightX = sin(rightOfYaw*PI_OVER_180);
float directionRightY = 0.0;
float directionRightZ = cos(rightOfYaw*PI_OVER_180);
//printf("directionRightX=%f, directionRightY=%f, directionRightZ=%f\n",directionRightX,directionRightY,directionRightZ);
glm::vec3 cameraDirection = glm::vec3(directionX,directionY,directionZ);
// this is a temporary test, create a vertice that's 2 meters in front of avatar in direction their looking
glm::vec3 lookingAt = cameraPosition+(cameraDirection*2.0);
@ -546,17 +569,16 @@ void render_view_frustum() {
glVertex3f(cameraPosition.x,cameraPosition.y,cameraPosition.z);
glVertex3f(0,0,0);
// line from avatar to 2 meters in front of avatar -- this is NOT working
// line from avatar to 2 meters in front of avatar -- this is working??
glColor3f(0,1,1);
glVertex3f(cameraPosition.x,cameraPosition.y,cameraPosition.z);
glVertex3f(lookingAt.x,lookingAt.y,lookingAt.z);
/*
// Not yet ready for this...
glm::vec3 up = glm::vec3(0.0,1.0,0.0);
glm::vec3 right = glm::vec3(1.0,0.0,0.0);
glm::vec3 right = glm::vec3(directionRightX,directionRightY,directionRightZ);
float nearDist = 0.1;
float farDist = 500.0;
float farDist = 1.0;
float fov = (0.7854f*2.0); // 45 deg * 2 = 90 deg
float screenWidth = 800.0; // hack! We need to make this eventually be the correct height/width
@ -578,60 +600,63 @@ void render_view_frustum() {
glm::vec3 nearTopRight = nearCenter + (up*nearHeight*0.5) + (right*nearWidth*0.5);
glm::vec3 nearBottomLeft = nearCenter - (up*nearHeight*0.5) - (right*nearWidth*0.5);
glm::vec3 nearBottomRight = nearCenter - (up*nearHeight*0.5) + (right*nearWidth*0.5);
*/
/*
glColor3f(1,1,1);
//glColor3f(1,1,1);
// near plane - bottom edge
glVertex3f(low.x,low.y,low.z);
glVertex3f(high.x,low.y,low.z);
glColor3f(1,0,0);
glVertex3f(nearBottomLeft.x,nearBottomLeft.y,nearBottomLeft.z);
glVertex3f(nearBottomRight.x,nearBottomRight.y,nearBottomRight.z);
// near plane - top edge
glVertex3f(low.x,high.y,low.z);
glVertex3f(high.x,high.y,low.z);
glVertex3f(nearTopLeft.x,nearTopLeft.y,nearTopLeft.z);
glVertex3f(nearTopRight.x,nearTopRight.y,nearTopRight.z);
// near plane - right edge
glVertex3f(low.x,high.y,low.z);
glVertex3f(low.x,low.y,low.z);
glVertex3f(nearBottomRight.x,nearBottomRight.y,nearBottomRight.z);
glVertex3f(nearTopRight.x,nearTopRight.y,nearTopRight.z);
// near plane - left edge
glVertex3f(high.x,high.y,low.z);
glVertex3f(high.x,low.y,low.z);
glVertex3f(nearBottomLeft.x,nearBottomLeft.y,nearBottomLeft.z);
glVertex3f(nearTopLeft.x,nearTopLeft.y,nearTopLeft.z);
// far plane - bottom edge
glVertex3f(low.x,low.y,high.z);
glVertex3f(high.x,low.y,high.z);
glColor3f(0,1,0); // GREEN!!!
glVertex3f(farBottomLeft.x,farBottomLeft.y,farBottomLeft.z);
glVertex3f(farBottomRight.x,farBottomRight.y,farBottomRight.z);
// far plane - top edge
glVertex3f(low.x,high.y,high.z);
glVertex3f(high.x,high.y,high.z);
glVertex3f(farTopLeft.x,farTopLeft.y,farTopLeft.z);
glVertex3f(farTopRight.x,farTopRight.y,farTopRight.z);
// far plane - right edge
glVertex3f(low.x,high.y,high.z);
glVertex3f(low.x,low.y,high.z);
glVertex3f(farBottomRight.x,farBottomRight.y,farBottomRight.z);
glVertex3f(farTopRight.x,farTopRight.y,farTopRight.z);
// far plane - left edge
glVertex3f(high.x,high.y,high.z);
glVertex3f(high.x,low.y,high.z);
glVertex3f(farBottomLeft.x,farBottomLeft.y,farBottomLeft.z);
glVertex3f(farTopLeft.x,farTopLeft.y,farTopLeft.z);
// right plane - bottom edge - near to distant
glVertex3f(low.x,low.y,low.z);
glVertex3f(low.x,low.y,high.z);
glColor3f(0,0,1);
glVertex3f(nearBottomRight.x,nearBottomRight.y,nearBottomRight.z);
glVertex3f(farBottomRight.x,farBottomRight.y,farBottomRight.z);
// right plane - top edge - near to distant
glVertex3f(low.x,high.y,low.z);
glVertex3f(low.x,high.y,high.z);
glVertex3f(nearTopRight.x,nearTopRight.y,nearTopRight.z);
glVertex3f(farTopRight.x,farTopRight.y,farTopRight.z);
// left plane - bottom edge - near to distant
glVertex3f(high.x,low.y,low.z);
glVertex3f(high.x,low.y,high.z);
glColor3f(0,1,1);
glVertex3f(nearBottomLeft.x,nearBottomLeft.y,nearBottomLeft.z);
glVertex3f(farBottomLeft.x,farBottomLeft.y,farBottomLeft.z);
// left plane - top edge - near to distant
glVertex3f(high.x,high.y,low.z);
glVertex3f(high.x,high.y,high.z);
*/
glVertex3f(nearTopLeft.x,nearTopLeft.y,nearTopLeft.z);
glVertex3f(farTopLeft.x,farTopLeft.y,farTopLeft.z);
glEnd();
}
@ -764,7 +789,7 @@ void display(void)
if (!displayHead && statsOn) render_world_box();
// brad's frustum for debugging
render_view_frustum();
if (::frustumOn) render_view_frustum();
//---------------------------------
@ -993,6 +1018,7 @@ void key(unsigned char k, int x, int y)
if (k == '/') statsOn = !statsOn; // toggle stats
if (k == '*') ::starsOn = !::starsOn; // toggle stars
if (k == 'V') ::showingVoxels = !::showingVoxels; // toggle voxels
if (k == 'F') ::frustumOn = !::frustumOn; // toggle view frustum debugging
if (k == '&') {
::paintOn = !::paintOn; // toggle paint
::setupPaintingVoxel(); // also randomizes colors