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Examples: Apple: Tweak code and sync with other examples better (untested).

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This commit is contained in:
omar 2018-01-31 00:16:44 +01:00
parent cca9c3e3da
commit 6c38aa2dc7
4 changed files with 45 additions and 23 deletions
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18
examples/apple_example/imguiex-ios/GameViewController.m
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@ -294,6 +294,13 @@ GLfloat gCubeVertexData[216] =
- (void)glkView:(GLKView *)view drawInRect:(CGRect)rect
{
// Start the dear imgui frame
[self.imgui newFrame];
// Create some UI elements
DebugHUD_DoInterface( &_hud );
// Render
glClearColor(0.65f, 0.65f, 0.65f, 1.0f);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
@ -301,28 +308,19 @@ GLfloat gCubeVertexData[216] =
// Render the object with GLKit
[self.effect prepareToDraw];
glDrawArrays(GL_TRIANGLES, 0, 36);
// Render the object again with ES2
glUseProgram(_program);
glUniformMatrix4fv(uniforms[UNIFORM_MODELVIEWPROJECTION_MATRIX], 1, 0, _modelViewProjectionMatrix.m);
glUniformMatrix3fv(uniforms[UNIFORM_NORMAL_MATRIX], 1, 0, _normalMatrix.m);
glUniform3f(uniforms[UNIFORM_DIFFUSE_COLOR], _hud.cubeColor1[0], _hud.cubeColor1[1], _hud.cubeColor1[2] );
glDrawArrays(GL_TRIANGLES, 0, 36);
[self.imgui newFrame];
// Now do our ImGUI UI
DebugHUD_DoInterface( &_hud );
self.effect.light0.diffuseColor = GLKVector4Make( _hud.cubeColor2[0], _hud.cubeColor2[1], _hud.cubeColor2[2], 1.0f);
// Now render Imgui
// Render dear imgui as the last thing in the frame if possible
[self.imgui render];
}
#pragma mark - OpenGL ES 2 shader compilation

46
examples/apple_example/imguiex-ios/debug_hud.cpp
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@ -10,7 +10,7 @@
void DebugHUD_InitDefaults( DebugHUD *hud )
{
hud->show_demo_window = true;
hud->show_example_window = true;
hud->show_another_window = true;
hud->rotation_speed = 15.0f;
hud->cubeColor1[0] = 0.4f;
@ -26,19 +26,43 @@ void DebugHUD_InitDefaults( DebugHUD *hud )
void DebugHUD_DoInterface(DebugHUD *hud)
{
// 1. Show a simple window.
// Tip: if we don't call ImGui::Begin()/ImGui::End() the widgets automatically appears in a window called "Debug".
{
static float f = 0.0f;
static int counter = 0;
ImGui::Text("Hello, world!"); // Display some text (you can use a format string too)
ImGui::SliderFloat("float", &f, 0.0f, 1.0f); // Edit 1 float using a slider from 0.0f to 1.0f
ImGui::ColorEdit3("clear color", (float*)&clear_color); // Edit 3 floats representing a color
ImGui::Checkbox("Demo Window", &hud->show_demo_window); // Edit bools storing our windows open/close state
ImGui::Checkbox("Another Window", &hud->show_another_window);
if (ImGui::Button("Button")) // Buttons return true when clicked (NB: most widgets return true when edited/activated)
counter++;
ImGui::SameLine();
ImGui::Text("counter = %d", counter);
ImGui::Text("Application average %.3f ms/frame (%.1f FPS)", 1000.0f / ImGui::GetIO().Framerate, ImGui::GetIO().Framerate);
}
// 2. Show another simple window. In most cases you will use an explicit Begin/End pair to name your windows.
if (hud->show_another_window)
{
ImGui::Begin("Another Window", &hud-?show_another_window);
ImGui::Text("Hello from another window!");
ImGui::ColorEdit3("Cube 1 Color", hud->cubeColor1);
ImGui::ColorEdit3("Cube 2 Color", hud->cubeColor2);
ImGui::SliderFloat("Rotation Speed", &hud->rotation_speed, 0.0f, 200.0f);
if (ImGui::Button("Close Me"))
hud->show_another_window = false;
ImGui::End();
}
// 3. Show the ImGui demo window. Most of the sample code is in ImGui::ShowDemoWindow(). Read its code to learn more about Dear ImGui!
if (hud->show_demo_window)
{
ImGui::SetNextWindowPos(ImVec2(650, 20), ImGuiCond_FirstUseEver); // Normally user code doesn't need/want to call this because positions are saved in .ini file anyway. Here we just want to make the demo initial state a bit more friendly!
ImGui::ShowDemoWindow(&hud->show_demo_window);
}
if (hud->show_example_window)
{
ImGui::Begin("Another Window", &hud->show_example_window);
ImGui::Text("Hello from another window!");
ImGui::ColorEdit3("Cube 1 Color", hud->cubeColor1);
ImGui::ColorEdit3("Cube 2 Color", hud->cubeColor2);
ImGui::SliderFloat("Rotation Speed", &hud->rotation_speed, 0.0f, 200.0f);
ImGui::End();
}
}

2
examples/apple_example/imguiex-ios/debug_hud.h
View File

@ -7,7 +7,7 @@
typedef struct DebugHUD
{
bool show_demo_window;
bool show_example_window;
bool show_another_window;
float rotation_speed;
float cubeColor1[4];
float cubeColor2[4];