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axmol/tests/cpp-tests/Source/ChipmunkTestBed/demo/LogoSmash.cpp

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/* Copyright (c) 2007 Scott Lembcke
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#include "chipmunk/chipmunk.h"
#include "ChipmunkDemo.h"
static const int image_width = 188;
static const int image_height = 35;
static const int image_row_length = 24;
float ChipmunkDebugDrawPointLineScale = 1.0f;
static const char image_bitmap[] = {
15, -16, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
7, -64, 15, 63, -32, -2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 31, -64, 15, 127, -125, -1, -128, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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-57, -32, 0, 7, -1, -1, -97, -25, -8, -1, 63, -1, -1, -4, -1, 15, -13, -1, -1, -61, -1,
-1, -1, -55, -49, -32, 0, 7, -1, -1, -97, -25, -8, -1, 63, -1, -1, -4, -1, 15, -13, -1,
-1, -63, -1, -1, -1, -23, -49, -32, 127, -57, -1, -1, -97, -25, -1, -1, 63, -1, -1, -4, -1,
15, -13, -1, -1, -63, -1, -1, -1, -16, -49, -32, -1, -25, -1, -1, -97, -25, -1, -1, 63, -33,
-5, -4, -1, 15, -13, -1, -1, -64, -1, -9, -1, -7, -49, -32, -1, -25, -8, 127, -97, -25, -1,
-1, 63, -33, -5, -4, -1, 15, -13, -1, -1, -64, -1, -13, -1, -32, -49, -32, -1, -25, -8, 127,
-97, -25, -1, -2, 63, -49, -13, -4, -1, 15, -13, -1, -1, -64, 127, -7, -1, -119, -17, -15, -1,
-25, -8, 127, -97, -25, -1, -2, 63, -49, -13, -4, -1, 15, -13, -3, -1, -64, 127, -8, -2, 15,
-17, -1, -1, -25, -8, 127, -97, -25, -1, -8, 63, -49, -13, -4, -1, 15, -13, -3, -1, -64, 63,
-4, 120, 0, -17, -1, -1, -25, -8, 127, -97, -25, -8, 0, 63, -57, -29, -4, -1, 15, -13, -4,
-1, -64, 63, -4, 0, 15, -17, -1, -1, -25, -8, 127, -97, -25, -8, 0, 63, -57, -29, -4, -1,
-1, -13, -4, -1, -64, 31, -2, 0, 0, 103, -1, -1, -57, -8, 127, -97, -25, -8, 0, 63, -57,
-29, -4, -1, -1, -13, -4, 127, -64, 31, -2, 0, 15, 103, -1, -1, -57, -8, 127, -97, -25, -8,
0, 63, -61, -61, -4, 127, -1, -29, -4, 127, -64, 15, -8, 0, 0, 55, -1, -1, -121, -8, 127,
-97, -25, -8, 0, 63, -61, -61, -4, 127, -1, -29, -4, 63, -64, 15, -32, 0, 0, 23, -1, -2,
3, -16, 63, 15, -61, -16, 0, 31, -127, -127, -8, 31, -1, -127, -8, 31, -128, 7, -128, 0, 0};
static inline int get_pixel(int x, int y)
{
return (image_bitmap[(x >> 3) + y * image_row_length] >> (~x & 0x7)) & 1;
}
static int bodyCount = 0;
static void update(cpSpace* space, double dt)
{
cpSpaceStep(space, dt);
}
static void DrawDot(cpBody* body, void* unused)
{
ChipmunkDebugDrawDot(3.5 / ChipmunkDebugDrawPointLineScale, cpBodyGetPosition(body),
RGBAColor(0xee / 255.0f, 0xe8 / 255.0f, 0xd5 / 255.0f, 1.0f));
}
static void draw(cpSpace* space)
{
cpSpaceEachBody(space, DrawDot, NULL);
// ChipmunkDebugDrawCollisionPoints(space);
}
static cpShape* make_ball(cpFloat x, cpFloat y)
{
cpBody* body = cpBodyNew(1.0, INFINITY);
cpBodySetPosition(body, cpv(x, y));
cpShape* shape = cpCircleShapeNew(body, 0.95, cpvzero);
cpShapeSetElasticity(shape, 0.0);
cpShapeSetFriction(shape, 0.0);
return shape;
}
static cpSpace* init(void)
{
cpSpace* space = cpSpaceNew();
cpSpaceSetIterations(space, 1);
// The space will contain a very large number of similary sized objects.
// This is the perfect candidate for using the spatial hash.
// Generally you will never need to do this.
cpSpaceUseSpatialHash(space, 2.0, 10000);
bodyCount = 0;
cpBody* body;
cpShape* shape;
for (int y = 0; y < image_height; y++)
{
for (int x = 0; x < image_width; x++)
{
if (!get_pixel(x, y))
continue;
cpFloat x_jitter = 0.05 * frand();
cpFloat y_jitter = 0.05 * frand();
shape = make_ball(2 * (x - image_width / 2 + x_jitter), 2 * (image_height / 2 - y + y_jitter));
cpSpaceAddBody(space, cpShapeGetBody(shape));
cpSpaceAddShape(space, shape);
bodyCount++;
}
}
body = cpSpaceAddBody(space, cpBodyNew(1e9, INFINITY));
cpBodySetPosition(body, cpv(-1000, -10));
cpBodySetVelocity(body, cpv(400, 0));
shape = cpSpaceAddShape(space, cpCircleShapeNew(body, 8.0f, cpvzero));
cpShapeSetElasticity(shape, 0.0);
cpShapeSetFriction(shape, 0.0);
cpShapeSetFilter(shape, NOT_GRABBABLE_FILTER);
bodyCount++;
return space;
}
static void destroy(cpSpace* space)
{
ChipmunkDemoFreeSpaceChildren(space);
cpSpaceFree(space);
}
ChipmunkDemo LogoSmash = {
"Logo Smash", 1.0 / 60.0, init, update, draw, destroy,
};
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