You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
98 lines
2.8 KiB
98 lines
2.8 KiB
//
|
|
// Copyright 2021 The ANGLE Project Authors. All rights reserved.
|
|
// Use of this source code is governed by a BSD-style license that can be
|
|
// found in the LICENSE file.
|
|
//
|
|
|
|
// Based on CubeMapActivity.java from The Android Open Source Project ApiDemos
|
|
// https://android.googlesource.com/platform/development/+/refs/heads/master/samples/ApiDemos/src/com/example/android/apis/graphics/CubeMapActivity.java
|
|
|
|
#include "SampleApplication.h"
|
|
#include "torus.h"
|
|
|
|
class GLES1TorusLightingSample : public SampleApplication
|
|
{
|
|
public:
|
|
GLES1TorusLightingSample(int argc, char **argv)
|
|
: SampleApplication("GLES1 Torus Lighting", argc, argv, 1, 0)
|
|
{}
|
|
|
|
bool initialize() override
|
|
{
|
|
glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
|
|
|
|
glShadeModel(GL_SMOOTH);
|
|
|
|
GLfloat light_model_ambient[] = {1.0f, 1.0f, 1.0f, 1.0f};
|
|
glLightModelfv(GL_LIGHT_MODEL_AMBIENT, light_model_ambient);
|
|
glEnable(GL_LIGHTING);
|
|
glEnable(GL_LIGHT0);
|
|
|
|
GenerateTorus(&mVertexBuffer, &mIndexBuffer, &mIndexCount);
|
|
|
|
return true;
|
|
}
|
|
|
|
void destroy() override
|
|
{
|
|
glDeleteBuffers(1, &mVertexBuffer);
|
|
glDeleteBuffers(1, &mIndexBuffer);
|
|
}
|
|
|
|
void draw() override
|
|
{
|
|
glViewport(0, 0, getWindow()->getWidth(), getWindow()->getHeight());
|
|
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
|
|
|
|
float ratio = (float)getWindow()->getWidth() / (float)getWindow()->getHeight();
|
|
glMatrixMode(GL_PROJECTION);
|
|
glLoadIdentity();
|
|
glFrustumf(-ratio, ratio, -1, 1, 1.0f, 20.0f);
|
|
|
|
glEnable(GL_DEPTH_TEST);
|
|
glMatrixMode(GL_MODELVIEW);
|
|
glLoadIdentity();
|
|
|
|
glPushMatrix();
|
|
|
|
GLfloat lightDir[] = {0.0f, 0.0f, 1.0f, 0.0f};
|
|
glLightfv(GL_LIGHT0, GL_POSITION, lightDir);
|
|
glPopMatrix();
|
|
|
|
glTranslatef(0, 0, -5);
|
|
|
|
glRotatef(mAngle, 0, 1, 0);
|
|
glRotatef(mAngle * 0.25f, 1, 0, 0);
|
|
|
|
glEnableClientState(GL_VERTEX_ARRAY);
|
|
|
|
glBindBuffer(GL_ARRAY_BUFFER, mVertexBuffer);
|
|
glVertexPointer(3, GL_FLOAT, 6 * sizeof(GLfloat), nullptr);
|
|
|
|
glEnableClientState(GL_NORMAL_ARRAY);
|
|
glNormalPointer(GL_FLOAT, 6 * sizeof(GLfloat),
|
|
reinterpret_cast<const void *>(3 * sizeof(GLfloat)));
|
|
|
|
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, mIndexBuffer);
|
|
glDrawElements(GL_TRIANGLES, mIndexCount, GL_UNSIGNED_SHORT, 0);
|
|
glDisableClientState(GL_VERTEX_ARRAY);
|
|
glDisableClientState(GL_NORMAL_ARRAY);
|
|
glBindBuffer(GL_ARRAY_BUFFER, 0);
|
|
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0);
|
|
|
|
mAngle++;
|
|
}
|
|
|
|
private:
|
|
GLuint mVertexBuffer;
|
|
GLuint mIndexBuffer;
|
|
GLsizei mIndexCount;
|
|
float mAngle = 0;
|
|
};
|
|
|
|
int main(int argc, char **argv)
|
|
{
|
|
GLES1TorusLightingSample app(argc, argv);
|
|
return app.run();
|
|
}
|