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Added free look camera for 14-shadowvolumes.

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This commit is contained in:
Dario Manesku 2014-01-30 18:20:06 +01:00
parent 47ce754e16
commit de1d5e48ed
1 changed files with 19 additions and 12 deletions
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31
examples/14-shadowvolumes/shadowvolumes.cpp
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@ -23,6 +23,7 @@ using namespace std::tr1;
#include <bx/hash.h>
#include <bx/float4_t.h>
#include "entry/entry.h"
#include "entry/camera.h"
#include "fpumath.h"
#include "imgui/imgui.h"
@ -2160,10 +2161,22 @@ int _main_(int /*_argc*/, char** /*_argv*/)
MeshChoice currentMesh = BunnyLowPoly;
Scene currentScene = Scene0;
// Set view and projection matrices.
const float fov = 60.0f;
const float aspect = float(viewState.m_width)/float(viewState.m_height);
const float nearPlane = 1.0f;
const float farPlane = 1000.0f;
mtxProj(viewState.m_proj, fov, aspect, nearPlane, farPlane);
float initialPos[3] = { 3.0f, 20.0f, -58.0f };
cameraSetPosition(initialPos);
cameraSetVerticalAngle(-0.25f);
cameraGetViewMtx(viewState.m_view);
entry::MouseState mouseState;
while (!entry::processEvents(viewState.m_width, viewState.m_height, debug, reset, &mouseState) )
{
//respond properly on resize
// Respond properly on resize.
if (oldWidth != viewState.m_width
|| oldHeight != viewState.m_height)
{
@ -2175,17 +2188,7 @@ int _main_(int /*_argc*/, char** /*_argv*/)
s_stencilRt = bgfx::createRenderTarget(viewState.m_width, viewState.m_height, BGFX_RENDER_TARGET_COLOR_RGBA8 | BGFX_RENDER_TARGET_DEPTH_D16);
}
//set view and projection matrices
const float fov = 60.0f;
const float aspect = float(viewState.m_width)/float(viewState.m_height);
const float nearPlane = 1.0f;
const float farPlane = 1000.0f;
mtxProj(viewState.m_proj, fov, aspect, nearPlane, farPlane);
float at[3] = { 3.0f, 5.0f, 0.0f };
float eye[3] = { 3.0f, 20.0f, -58.0f };
mtxLookAt(viewState.m_view, eye, at);
//time
// Time.
int64_t now = bx::getHPCounter();
static int64_t last = now;
const int64_t frameTime = now - last;
@ -2196,6 +2199,10 @@ int _main_(int /*_argc*/, char** /*_argv*/)
const float deltaTime = float(frameTime/freq);
s_uniforms.m_time = time;
// Update camera.
cameraUpdate(deltaTime);
cameraGetViewMtx(viewState.m_view);
imguiBeginFrame(mouseState.m_mx
, mouseState.m_my
, (mouseState.m_buttons[entry::MouseButton::Left ] ? IMGUI_MBUT_LEFT : 0)