// Update function for this object type
void RedSquareUpdate ( REDSQUARE *self )
{
COLLISION_FLAG flag = CheckHotspotCollision( self->rect_ );
char buffer[100] = { 0 };
// Apply acceleration for keystrokes
// Documentation for physics: http://cecilsunkure.blogspot.com/2012/02/basic-2d-vector-physics.html
// Documentation for collisions: http://cecilsunkure.blogspot.com/2012/07/collision-basic-2d-collision-detection.html
// http://cecilsunkure.blogspot.com/2012/04/binary-collision-maps-platformer.html
if(IsKeyPressed( VK_RIGHT ))
{
self->vel_.x_ += self->accel_ * GetDT( );
}
if(IsKeyPressed( VK_LEFT ))
{
self->vel_.x_ += -self->accel_ * GetDT( );
}
if(IsKeyPressed( VK_UP ))
{
self->vel_.y_ += -self->accel_ * GetDT( );
}
if(IsKeyPressed( VK_DOWN ))
{
self->vel_.y_ += self->accel_ * GetDT( );
}
// Clamp velocity within a max/min range
VelocityClamp( &self->vel_, .02f );
self->rect_.center_.x_ += self->vel_.x_ * GetDT( );
self->rect_.center_.y_ += self->vel_.y_ * GetDT( );
sprintf( buffer, "%.3f, %.3f", self->vel_.x_, self->vel_.y_ );
WriteStringToScreen( buffer, 30, 30 );
if(flag & COLLISION_BOTTOM)
{
SnapToCell( &self->rect_.center_.y_ );
self->vel_.y_ = 0.f;
}
if(flag & COLLISION_TOP)
{
SnapToCell( &self->rect_.center_.y_ );
self->vel_.y_ = 0.f;
}
if(flag & COLLISION_LEFT)
{
SnapToCell( &self->rect_.center_.x_ );
self->vel_.x_ = 0.f;
}
if(flag & COLLISION_RIGHT)
{
SnapToCell( &self->rect_.center_.x_ );
self->vel_.x_ = 0.f;
}
}
void Level1_Draw(void) {
float f;
fprintf(output, "\n\n\nLevel1:Draw\n");
f = i + 1.73f;
fprintf(output, "%f got snapped to: ", f);
SnapToCell(&f);
fprintf(output, "%f\n", f);
if(i == 1)
fprintf(output, "Flag for 3.4f, 1.7f, 1.0f, 1.0f is: %i //You should get 1\n", Flag);
else if(i == 2)
fprintf(output, "Flag for 1.7f, 2.2f, 1.0f, 1.0f is: %i //You should get 11\n", Flag);
else if(i == 3)
fprintf(output, "Flag for 1.2f, 3.8f, 1.0f, 1.0f is: %i //You should get 15\n", Flag);
}
int main(void) {
int Flag;
float f;
// Test here if you can read "Export.txt"
ImportMapDataFromFile("Exported.txt");
//Printing the information read by ImportMapDataFromFile
// You should get (With the prodvided export file):
// Width: 5
// Height: 5
// Map Data:
// 1 1 1 1 1
// 1 0 0 0 1
// 1 4 2 0 1
// 1 1 1 3 1
// 1 1 1 1 1
PrintRetrievedInformation();
// Testing "GetCellValue"
printf("\n\nTesting GetCellValue\n");
printf("Cell (0,0) = %i\n", GetCellValue(0, 0)); //You should get 1
printf("Cell (1,1) = %i\n", GetCellValue(1, 1)); //You should get 1
printf("Cell (1,2) = %i\n", GetCellValue(1, 2)); //You should get 0
printf("Cell (1,2) = %i\n", GetCellValue(1, 2)); //You should get 0
printf("Cell (3,4) = %i\n", GetCellValue(3, 4)); //You should get 1
printf("Cell (-1,1) = %i\n", GetCellValue(-1, 1)); //You should get 0
printf("Cell (1,-1) = %i\n", GetCellValue(1, -1)); //You should get 0
printf("Cell (5,1) = %i\n", GetCellValue(5, 1)); //You should get 0
printf("Cell (1,5) = %i\n", GetCellValue(1, 5)); //You should get 0
// Testing "SnapToCell"
printf("\n\nTesting SnapToCell\n");
f = 0.2f;
SnapToCell(&f);
printf("0.2 got snapped to: %f\n", f); //You should get 0.5
f = 2.3f;
SnapToCell(&f);
printf("2.3 got snapped to: %f\n", f); //You should get 2.5
f = 1.7f;
SnapToCell(&f);
printf("1.7 got snapped to: %f\n", f); //You should get 1.5
f = 5.4f;
SnapToCell(&f);
printf("5.4 got snapped to: %f\n", f); //You should get 5.5
f = 4.9f;
SnapToCell(&f);
printf("4.9 got snapped to: %f\n", f); //You should get 4.5
//Testing "CheckInstanceBinaryMapCollision"
printf("\n\nTesting CheckInstanceBinaryMapCollision\n");
Flag = 0;
Flag = CheckInstanceBinaryMapCollision(1.7f, 2.2f, 1.0f, 1.0f);
printf("Flag for 1.7f, 2.2f, 1.0f, 1.0f is: %i\n", Flag); //You should get 11
Flag = 0;
Flag = CheckInstanceBinaryMapCollision(3.4f, 1.7f, 1.0f, 1.0f);
printf("Flag for 3.4f, 1.7f, 1.0f, 1.0f is: %i\n", Flag); //You should get 1
Flag = 0;
Flag = CheckInstanceBinaryMapCollision(1.2f, 3.8f, 1.0f, 1.0f);
printf("Flag for 1.2f, 3.8f, 1.0f, 1.0f is: %i\n", Flag); //You should get 15
FreeMapData();
return 1;
}
